Address warnings from clang build bot

http://codereview.appspot.com/6506111/



git-svn-id: http://skia.googlecode.com/svn/trunk@5518 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkDrawExtraPathEffect.cpp b/src/animator/SkDrawExtraPathEffect.cpp
index c9de254..65d9cba 100644
--- a/src/animator/SkDrawExtraPathEffect.cpp
+++ b/src/animator/SkDrawExtraPathEffect.cpp
@@ -22,7 +22,7 @@
     DECLARE_PRIVATE_MEMBER_INFO(DrawShapePathEffect);
     SkDrawShapePathEffect();
     virtual ~SkDrawShapePathEffect();
-    virtual bool add(SkAnimateMaker& , SkDisplayable* );
+    virtual bool add(SkAnimateMaker& , SkDisplayable* ) SK_OVERRIDE;
     virtual SkPathEffect* getPathEffect();
 protected:
     SkDrawable* addPath;
@@ -60,7 +60,7 @@
     DECLARE_EXTRAS_MEMBER_INFO(SkDrawComposePathEffect);
     SkDrawComposePathEffect(SkDisplayTypes );
     virtual ~SkDrawComposePathEffect();
-    virtual bool add(SkAnimateMaker& , SkDisplayable* );
+    virtual bool add(SkAnimateMaker& , SkDisplayable* ) SK_OVERRIDE;
     virtual SkPathEffect* getPathEffect();
     virtual bool isPaint() const;
 private: