gdiplus: don't crash when a NULL format is passed to GdipDrawString

[Vincent Povirk]

Fixes a regression introduced by my last patch.

Vincent Povirk
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From b4a8d0b92fcf6ecf732c2d05c67958124d1a7dbe Mon Sep 17 00:00:00 2001
From: Vincent Povirk <madewokherd at gmail.com>
Date: Tue, 30 Jun 2009 09:23:07 -0500
Subject: [PATCH] gdiplus: don't crash when a NULL format is passed to GdipDrawString

---
 dlls/gdiplus/graphics.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 2be64c7..3525743 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -2239,7 +2239,7 @@ GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string
 
     length = j;
 
-    if (format->align == StringAlignmentNear)
+    if (!format || format->align == StringAlignmentNear)
     {
         drawbase.x = corners[0].x;
         drawbase.y = corners[0].y;
-- 
1.6.3.1