Bug 861032 - Fix -Wreinterpret-base-class warning on Codegen.py. r=bz

--HG--
extra : rebase_source : c05d51d8aeed182b85333a347f0b1dfb5d6b1ef9

dom/bindings/Codegen.py

@@ -1940,7 +1940,7 @@ class CGWrapWithCacheMethod(CGAbstractMethod):
 
         if self.descriptor.nativeOwnership == 'nsisupports':
             assertISupportsInheritance = (
-                '  MOZ_ASSERT(reinterpret_cast<nsWrapperCache*>(aObject) != aCache,\n'
+                '  MOZ_ASSERT(reinterpret_cast<void*>(aObject) != aCache,\n'
                 '             "nsISupports must be on our primary inheritance chain");\n')
         else:
             assertISupportsInheritance = ""