Fix for potential typedef issue

include/effects/SkLumaXfermode.h

Index: include/effects/SkLumaXfermode.h
diff --git a/include/effects/SkLumaXfermode.h b/include/effects/SkLumaXfermode.h
index b189328fdb1f36cec1249a5a772f7d321804ed30..648627aff9a63e732a5d0fc7ea466e42a685ed23 100644
--- a/include/effects/SkLumaXfermode.h
+++ b/include/effects/SkLumaXfermode.h
@@ -23,6 +23,8 @@
  *  (where C is un-premultiplied)
  */
 class SK_API SkLumaMaskXfermode : public SkXfermode {
+    typedef SkXfermode INHERITED;
+
 public:
     /** Return an SkLumaMaskXfermode object for the specified submode.
      *
@@ -53,8 +55,6 @@ protected:
 private:
     const SkXfermode::Mode fMode;
 
-    typedef SkXfermode INHERITED;
-
     virtual SkPMColor lumaProc(const SkPMColor a, const SkPMColor b) const;
 };