Fix a memory leak in SkAAClip::translate().
Originally proposed by Jochen Eisinger.

http://codereview.appspot.com/5934053/



git-svn-id: http://skia.googlecode.com/svn/trunk@3517 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkAAClip.cpp b/src/core/SkAAClip.cpp
index 64c2728..fe0fb28 100644
--- a/src/core/SkAAClip.cpp
+++ b/src/core/SkAAClip.cpp
@@ -1735,6 +1735,7 @@
     
     if (this != dst) {
         sk_atomic_inc(&fRunHead->fRefCnt);
+        dst->freeRuns();
         dst->fRunHead = fRunHead;
         dst->fBounds = fBounds;
     }