Change some function/vars from EffectPtr to EffectRef to reflect GrEffectPtr->GrEffectRef renaming.



git-svn-id: http://skia.googlecode.com/svn/trunk@7226 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkMagnifierImageFilter.cpp b/src/effects/SkMagnifierImageFilter.cpp
index 9b57bdc..e7f266e 100644
--- a/src/effects/SkMagnifierImageFilter.cpp
+++ b/src/effects/SkMagnifierImageFilter.cpp
@@ -40,7 +40,7 @@
                                                                      yZoom,
                                                                      xInset,
                                                                      yInset)));
-        return CreateEffectPtr(effect);
+        return CreateEffectRef(effect);
     }
 
     virtual ~GrMagnifierEffect() {};