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

*** 495,505 ****
  static struct modldrv modldrv = {
          &mod_driverops, "xnbu driver", &ops
  };
  
  static struct modlinkage modlinkage = {
!         MODREV_1, &modldrv, NULL
  };
  
  int
  _init(void)
  {
--- 495,505 ----
  static struct modldrv modldrv = {
          &mod_driverops, "xnbu driver", &ops
  };
  
  static struct modlinkage modlinkage = {
!         MODREV_1, { &modldrv, NULL }
  };
  
  int
  _init(void)
  {