fix memory leaks



git-svn-id: http://skia.googlecode.com/svn/trunk@1448 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleGM.cpp b/samplecode/SampleGM.cpp
index 2f9f046..ec5b22a 100644
--- a/samplecode/SampleGM.cpp
+++ b/samplecode/SampleGM.cpp
@@ -54,7 +54,11 @@
         
         this->setBGColor(0xFFDDDDDD);
     }
-    
+
+    virtual ~GMView() {
+        delete fGM;
+    }
+
 protected:
     // overrides from SkEventSink
     virtual bool onQuery(SkEvent* evt) {