7127  remove -Wno-missing-braces from Makefile.uts

@@ -877,11 +877,11 @@
  */
 void
 page_retire_init(void)
 {
         const fs_operation_def_t retired_vnodeops_template[] = {
-                { NULL, NULL }
+                { NULL, {NULL} }
         };
         struct vnodeops *vops;
         kstat_t *ksp;
 
         const uint_t page_retire_ndata =