4674 No need to undefine rptr in ip.c

*** 12118,12128 ****
                  mp1->b_band = priority;
                  ((dl_unitdata_req_t *)(mp1->b_rptr))->dl_priority.dl_max =
                      priority;
          }
          return (mp1);
- #undef rptr
  }
  
  /*
   * Finish the outbound IPsec processing. This function is called from
   * ipsec_out_process() if the IPsec packet was processed
--- 12118,12127 ----