Fix for effect cache key

src/gpu/GrAAConvexPathRenderer.cpp

Index: src/gpu/GrAAConvexPathRenderer.cpp
===================================================================
--- src/gpu/GrAAConvexPathRenderer.cpp	(revision 8496)
+++ src/gpu/GrAAConvexPathRenderer.cpp	(working copy)
@@ -451,11 +451,10 @@
 
     static GrEffectRef* Create() {
         // we go through this so we only have one copy of each effect
-        static GrEffectRef* gQuadEdgeEffectRef = 
-            CreateEffectRef(AutoEffectUnref(SkNEW(QuadEdgeEffect)));
-        static SkAutoTUnref<GrEffectRef> gUnref(gQuadEdgeEffectRef);
+        static SkAutoTUnref<GrEffectRef> gQuadEdgeEffectRef(
+                    CreateEffectRef(AutoEffectUnref(SkNEW(QuadEdgeEffect))));
 
-        gQuadEdgeEffectRef->ref();
+        gQuadEdgeEffectRef.get()->ref();
         return gQuadEdgeEffectRef;
     }
 
@@ -524,7 +523,7 @@
     private:
         typedef GrGLEffect INHERITED;
     };
-
+    
 private:
     QuadEdgeEffect() { 
         this->addVertexAttrib(kVec4f_GrSLType);