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

*** 877,887 ****
   */
  void
  page_retire_init(void)
  {
          const fs_operation_def_t retired_vnodeops_template[] = {
!                 { NULL, NULL }
          };
          struct vnodeops *vops;
          kstat_t *ksp;
  
          const uint_t page_retire_ndata =
--- 877,887 ----
   */
  void
  page_retire_init(void)
  {
          const fs_operation_def_t retired_vnodeops_template[] = {
!                 { NULL, {NULL} }
          };
          struct vnodeops *vops;
          kstat_t *ksp;
  
          const uint_t page_retire_ndata =