Small fix for when not building with OBJECT_PRINT defined.

Patch by Mark Lam from Hewlett-Packard Development Company, LP

Review URL: http://codereview.chromium.org/6602034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6997 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap.cc

@@ -5336,7 +5336,11 @@ void PathTracer::ProcessResults() {
     for (int i = 0; i < object_stack_.length(); i++) {
       if (i > 0) PrintF("\n     |\n     |\n     V\n\n");
       Object* obj = object_stack_[i];
+#ifdef OBJECT_PRINT
       obj->Print();
+#else
+      obj->ShortPrint();
+#endif
     }
     PrintF("=====================================\n");
   }