add win-specific backend to SkDebugf



git-svn-id: http://skia.googlecode.com/svn/trunk@1223 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/ports/SkDebug_stdio.cpp b/src/ports/SkDebug_stdio.cpp
index 012613b..b40d507 100644
--- a/src/ports/SkDebug_stdio.cpp
+++ b/src/ports/SkDebug_stdio.cpp
@@ -17,7 +17,7 @@
 
 #include "SkTypes.h"
 
-static const size_t kBufferSize = 256;
+static const size_t kBufferSize = 2048;
 
 #include <stdarg.h>
 #include <stdio.h>