dwrite: Avoid triggering an exception on DLL_PROCESS_DETACH.

1ea524a8 · Dmitry Timoshkov · Alexandre Julliard · 500da7de · 1ea524a8
Commit 1ea524a8 authored Jan 28, 2013 by Dmitry Timoshkov Committed by Alexandre Julliard Jan 28, 2013
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font.c dlls/dwrite/font.c +2 -1

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--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -793,7 +793,8 @@ static void release_font_collection(IDWriteFontCollection *iface)
 void release_system_fontcollection(void)
 {
-    release_font_collection(system_collection);
+    if (system_collection)
+        release_font_collection(system_collection);
 }
 HRESULT get_system_fontcollection(IDWriteFontCollection **collection)