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

*** 787,798 ****
  
  int
  specinit(int fstype, char *name)
  {
          static const fs_operation_def_t spec_vfsops_template[] = {
!                 VFSNAME_SYNC, { .vfs_sync = spec_sync },
!                 NULL, NULL
          };
          extern struct vnodeops *spec_vnodeops;
          extern const fs_operation_def_t spec_vnodeops_template[];
          struct vfsops *spec_vfsops;
          int error;
--- 787,798 ----
  
  int
  specinit(int fstype, char *name)
  {
          static const fs_operation_def_t spec_vfsops_template[] = {
!                 { VFSNAME_SYNC, { .vfs_sync = spec_sync } },
!                 { NULL,         {NULL } }
          };
          extern struct vnodeops *spec_vnodeops;
          extern const fs_operation_def_t spec_vnodeops_template[];
          struct vfsops *spec_vfsops;
          int error;