Replace (old) FSF postal address with URL in header files

Wording copied from https://www.gnu.org/licenses/gpl-howto.en.html

Fixes #25, fixes #71

11 files changed, 11 insertions, 22 deletions

diff --git a/src/sockets/connection.cpp b/src/sockets/connection.cpp
index 6d5486a..0a3b66f 100644
--- a/src/sockets/connection.cpp
+++ b/src/sockets/connection.cpp
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include "connection.h"
diff --git a/src/sockets/connection.h b/src/sockets/connection.h
index b907206..0d55036 100644
--- a/src/sockets/connection.h
+++ b/src/sockets/connection.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 /**
diff --git a/src/sockets/connection_table.cpp b/src/sockets/connection_table.cpp
index 4211eb5..851ed3a 100644
--- a/src/sockets/connection_table.cpp
+++ b/src/sockets/connection_table.cpp
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include "connection_table.h"
diff --git a/src/sockets/connection_table.h b/src/sockets/connection_table.h
index 81a4894..45dddd8 100644
--- a/src/sockets/connection_table.h
+++ b/src/sockets/connection_table.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 /** 
diff --git a/src/sockets/dnssrv.h b/src/sockets/dnssrv.h
index bf9ed53..c19ef41 100644
--- a/src/sockets/dnssrv.h
+++ b/src/sockets/dnssrv.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #ifndef _DNSSRV_H
diff --git a/src/sockets/interfaces.cpp b/src/sockets/interfaces.cpp
index 293c48d..b09166f 100644
--- a/src/sockets/interfaces.cpp
+++ b/src/sockets/interfaces.cpp
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <cstring>
diff --git a/src/sockets/interfaces.h b/src/sockets/interfaces.h
index c8cc633..485265c 100644
--- a/src/sockets/interfaces.h
+++ b/src/sockets/interfaces.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #ifndef _H_INTERFACES
diff --git a/src/sockets/socket.cpp b/src/sockets/socket.cpp
index a56d273..dc9b862 100644
--- a/src/sockets/socket.cpp
+++ b/src/sockets/socket.cpp
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <cstdio>
diff --git a/src/sockets/socket.h b/src/sockets/socket.h
index 0f0f183..5bfef9f 100644
--- a/src/sockets/socket.h
+++ b/src/sockets/socket.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 /** 
diff --git a/src/sockets/url.cpp b/src/sockets/url.cpp
index 0b10dd0..62d1282 100644
--- a/src/sockets/url.cpp
+++ b/src/sockets/url.cpp
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include <cstdlib>
diff --git a/src/sockets/url.h b/src/sockets/url.h
index eb0ee2d..ea88c1a 100644
--- a/src/sockets/url.h
+++ b/src/sockets/url.h
@@ -12,8 +12,7 @@
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #ifndef _H_URL