From b37e8f87c45a9926e1336ad02a86e36b1a875109 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Thu, 22 Nov 2018 12:12:58 +0100
Subject: Fix debug assertion.

See: https://github.com/MoonchildProductions/UXP/commit/622098073e132995994fac4d61e3629d08ee1801#commitcomment-31390051
---
 image/Decoder.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/image/Decoder.cpp b/image/Decoder.cpp
index a6fd67c3f..5ff8c72b5 100644
--- a/image/Decoder.cpp
+++ b/image/Decoder.cpp
@@ -295,7 +295,7 @@ Decoder::AllocateFrame(const gfx::IntSize& aOutputSize,
 
     // We should now be on |aFrameNum|. (Note that we're comparing the frame
     // number, which is zero-based, with the frame count, which is one-based.)
-    MOZ_ASSERT(aAnimParams, aAnimParams->mFrameNum + 1 == mFrameCount);
+    MOZ_ASSERT_IF(aAnimParams, aAnimParams->mFrameNum + 1 == mFrameCount);
 
     // If we're past the first frame, PostIsAnimated() should've been called.
     MOZ_ASSERT_IF(mFrameCount > 1, HasAnimation());
-- 
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