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

*** 2641,2652 ****
          &pvscsi_ops,
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         &modldrv,
!         NULL
  };
  
  int
  _init(void)
  {
--- 2641,2651 ----
          &pvscsi_ops,
  };
  
  static struct modlinkage modlinkage = {
          MODREV_1,
!         { &modldrv, NULL }
  };
  
  int
  _init(void)
  {