update windows port

git-svn-id: http://skia.googlecode.com/svn/trunk@461 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/views/SkWindow.cpp b/src/views/SkWindow.cpp
index c8403d4..b63b81a 100644
--- a/src/views/SkWindow.cpp
+++ b/src/views/SkWindow.cpp
@@ -95,7 +95,7 @@
 	r.round(&ir);
 	fDirtyRgn.op(ir, SkRegion::kUnion_Op);
 
-#ifdef SK_BUILD_FOR_WIN32
+#ifdef SK_BUILD_FOR_WIN32xxxx
 	if (!fWaitingOnInval)
 	{
 		fWaitingOnInval = true;