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

*** 235,246 ****
          &kdrv_ops
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         (void *)&modldrv,
!         NULL
  };
  
  int
  _init(void)
  {
--- 235,245 ----
          &kdrv_ops
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         { (void *)&modldrv, NULL }
  };
  
  int
  _init(void)
  {