5218 posix definition of NULL
correct unistd.h and iso/stddef_iso.h
update gate source affected

*** 1340,1350 ****
              (ret->snap == NULL) || (ret->running_pg == NULL)) {
                  goto out;
          }
  
          if (scf_handle_decode_fmri(ret->h, fmri, NULL, NULL, ret->inst,
!             NULL, NULL, NULL) == -1) {
                  goto out;
          }
  
          if ((scf_instance_get_snapshot(ret->inst, "running", ret->snap))
              != 0) {
--- 1340,1350 ----
              (ret->snap == NULL) || (ret->running_pg == NULL)) {
                  goto out;
          }
  
          if (scf_handle_decode_fmri(ret->h, fmri, NULL, NULL, ret->inst,
!             NULL, NULL, 0) == -1) {
                  goto out;
          }
  
          if ((scf_instance_get_snapshot(ret->inst, "running", ret->snap))
              != 0) {