5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 2572,2582 ****
                  phdr_ah->ah_length = (ah_align_sz >> 2) + 1;
                  phdr_ah->ah_reserved = 0;
                  phdr_ah->ah_spi = assoc->ipsa_spi;
  
                  phdr_ah->ah_replay =
!                     htonl(atomic_add_32_nv(&assoc->ipsa_replay, 1));
                  if (phdr_ah->ah_replay == 0 && assoc->ipsa_replay_wsize != 0) {
                          /*
                           * XXX We have replay counter wrapping.  We probably
                           * want to nuke this SA (and its peer).
                           */
--- 2572,2582 ----
                  phdr_ah->ah_length = (ah_align_sz >> 2) + 1;
                  phdr_ah->ah_reserved = 0;
                  phdr_ah->ah_spi = assoc->ipsa_spi;
  
                  phdr_ah->ah_replay =
!                     htonl(atomic_inc_32_nv(&assoc->ipsa_replay));
                  if (phdr_ah->ah_replay == 0 && assoc->ipsa_replay_wsize != 0) {
                          /*
                           * XXX We have replay counter wrapping.  We probably
                           * want to nuke this SA (and its peer).
                           */