Close a couple of minor memory leaks, add a valgrind suppression file to
mute complaints about apparent driver bugs.

http://codereview.appspot.com/5837046/



git-svn-id: http://skia.googlecode.com/svn/trunk@3406 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/AAClipTest.cpp b/tests/AAClipTest.cpp
index 4f3f759..4817c06 100644
--- a/tests/AAClipTest.cpp
+++ b/tests/AAClipTest.cpp
@@ -276,6 +276,8 @@
             SkMask maskBW, maskAA;
             copyToMask(rgn2, &maskBW);
             clip2.copyToMask(&maskAA);
+            SkAutoMaskFreeImage freeBW(maskBW.fImage);
+            SkAutoMaskFreeImage freeAA(maskAA.fImage);
             REPORTER_ASSERT(reporter, maskBW == maskAA);
         }
     }
@@ -308,7 +310,8 @@
         
         SkMask mask;
         clip.copyToMask(&mask);
-        
+        SkAutoMaskFreeImage freeM(mask.fImage);
+
         REPORTER_ASSERT(reporter, expected == mask);
     }
 }