From 6f60a066e9a566b9d1cc9c8870bb392483c74118 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Tue, 6 Feb 2018 22:21:04 +0100
Subject: [PATCH] Load_ICO() fix when libpng is disabled

---
 src/fileformats.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fileformats.c b/src/fileformats.c
index cf4d3594..70efd7a8 100644
--- a/src/fileformats.c
+++ b/src/fileformats.c
@@ -2080,7 +2080,7 @@ void Load_ICO(T_IO_Context * context)
             Load_PNG_Sub(context, file);
           }
 #else
-          if (0 = memcmp(png_header, "\x89PNG", 4))
+          if (0 == memcmp(png_header, "\x89PNG", 4))
           {
             // NO PNG Support
             Warning("PNG Signature : Compiled without libpng support");