Remove the result-initialization from e9c045ce1618 which shouldn't be needed, bug 540776 fixed this the correct way.

--HG--
extra : transplant_source : %E1%B4%D8%1E%84%8C%8F%A5%3A%E8%C7%FB%17%F2%DA%05%DDE%B6%21

modules/plugin/test/testplugin/nptest.cpp

@@ -2255,7 +2255,6 @@ setCookie(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant*
   NPError err = NPN_SetValueForURL(npp, NPNURLVCookie, url, cookie->UTF8Characters, cookie->UTF8Length);
   free(url);
   
-  VOID_TO_NPVARIANT(*result);
   return (err == NPERR_NO_ERROR);
 }