From 039ec98ac1250873560870a13643254b183620a0 Mon Sep 17 00:00:00 2001
From: Bas Schouten <none@none>
Date: Fri, 30 Oct 2009 16:41:13 -0600
Subject: [PATCH] Bug 524462. Fix startup crash in pref fonts with funky cmaps.
 r=jdaggett

---
 gfx/thebes/src/gfxWindowsFonts.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gfx/thebes/src/gfxWindowsFonts.cpp b/gfx/thebes/src/gfxWindowsFonts.cpp
index a20f83ecb89..9b6938ec9fc 100644
--- a/gfx/thebes/src/gfxWindowsFonts.cpp
+++ b/gfx/thebes/src/gfxWindowsFonts.cpp
@@ -1323,7 +1323,9 @@ gfxWindowsFontGroup::FamilyListToArrayList(const nsString& aFamilies,
     for (PRUint32 i = 0; i < len; ++i) {
         const nsString& str = fonts[i];
         nsRefPtr<FontEntry> fe = gfxWindowsPlatform::GetPlatform()->FindFontEntry(str, mStyle);
-        list->AppendElement(fe);
+        if (fe) {
+            list->AppendElement(fe);
+        }
     }
 }