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

*** 383,394 ****
          &iwk_devops
  };
  
  static struct modlinkage iwk_modlinkage = {
          MODREV_1,
!         &iwk_modldrv,
!         NULL
  };
  
  int
  _init(void)
  {
--- 383,393 ----
          &iwk_devops
  };
  
  static struct modlinkage iwk_modlinkage = {
          MODREV_1,
!         { &iwk_modldrv, NULL }
  };
  
  int
  _init(void)
  {