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

*** 2017,2027 ****
          &core_pcbe_ops
  };
  
  static struct modlinkage core_modl = {
          MODREV_1,
!         &core_modlpcbe,
  };
  
  int
  _init(void)
  {
--- 2017,2027 ----
          &core_pcbe_ops
  };
  
  static struct modlinkage core_modl = {
          MODREV_1,
!         { &core_modlpcbe, NULL }
  };
  
  int
  _init(void)
  {