Add missing operator delete.

BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10803031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen.h

@@ -875,6 +875,7 @@ class HGraphBuilder: public AstVisitor {
     return zone->New(static_cast<int>(size));
   }
   void operator delete(void* pointer, Zone* zone) { }
+  void operator delete(void* pointer) { }
 
  private:
   // Type of a member function that generates inline code for a native function.