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

*** 686,697 ****
          &iwscn_ops,     /* driver ops */
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         &modldrv,
!         NULL
  };
  
  int
  _init(void)
  {
--- 686,696 ----
          &iwscn_ops,     /* driver ops */
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         { &modldrv, NULL }
  };
  
  int
  _init(void)
  {