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

*** 176,187 ****
          &tnf_ops,
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         (void *)&modldrv,
!         NULL
  };
  
  int
  _init()
  {
--- 176,186 ----
          &tnf_ops,
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         { (void *)&modldrv, NULL }
  };
  
  int
  _init()
  {