Fix for potential typedef issue

include/core/SkImageFilter.h

Index: include/core/SkImageFilter.h
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index 3dc145ca1979a40e966c352312c576193176fb26..9875c7e3e16f63bb0a6ac858a9985ea5c51e9d2d 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -28,6 +28,8 @@ class GrTexture;
  *  is what will finally be drawn to the device (using the original xfermode).
  */
 class SK_API SkImageFilter : public SkFlattenable {
+    typedef SkFlattenable INHERITED;
+
 public:
     SK_DECLARE_INST_COUNT(SkImageFilter)
 
@@ -167,7 +169,6 @@ protected:
     bool applyCropRect(SkIRect* rect, const SkMatrix& matrix) const;
 
 private:
-    typedef SkFlattenable INHERITED;
     int fInputCount;
     SkImageFilter** fInputs;
     SkIRect fCropRect;