Fix for potential typedef issue

include/effects/SkDisplacementMapEffect.h

Index: include/effects/SkDisplacementMapEffect.h
diff --git a/include/effects/SkDisplacementMapEffect.h b/include/effects/SkDisplacementMapEffect.h
index ed9d15b15a226fa59fe276c362b3cebcfaa680a5..7a377de4075f50bf8039e3733eee49bb5638aa99 100644
--- a/include/effects/SkDisplacementMapEffect.h
+++ b/include/effects/SkDisplacementMapEffect.h
@@ -12,6 +12,8 @@
 #include "SkBitmap.h"
 
 class SK_API SkDisplacementMapEffect : public SkImageFilter {
+    typedef SkImageFilter INHERITED;
+
 public:
     enum ChannelSelectorType {
         kUnknown_ChannelSelectorType,
@@ -50,7 +52,6 @@ private:
     ChannelSelectorType fXChannelSelector;
     ChannelSelectorType fYChannelSelector;
     SkScalar fScale;
-    typedef SkImageFilter INHERITED;
     SkImageFilter* getDisplacementInput() { return getInput(0); }
     SkImageFilter* getColorInput() { return getInput(1); }
 };