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

*** 601,612 ****
          "Generic Intel model-specific MCA"
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         (void *)&modlcpu,
!         NULL
  };
  
  int
  _init(void)
  {
--- 601,611 ----
          "Generic Intel model-specific MCA"
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         { (void *)&modlcpu, NULL }
  };
  
  int
  _init(void)
  {