fix memory leaks



git-svn-id: http://skia.googlecode.com/svn/trunk@1448 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/forth/SampleForth.cpp b/forth/SampleForth.cpp
index cfd1172..c0a0c75 100644
--- a/forth/SampleForth.cpp
+++ b/forth/SampleForth.cpp
@@ -188,6 +188,10 @@
 #endif
     }
     
+    virtual ~ForthView() {
+        SkDebugf("");
+    }
+
 protected:
     // overrides from SkEventSink
     virtual bool onQuery(SkEvent* evt) {