6717509 Need to use bswap/bswapq for byte swap of 64-bit integer on x32/x64 (fix lint)

*** 374,386 ****
          uint8_t *blockp;
          uint8_t *cbp;
          uint64_t counter;
          size_t pt_len, total_decrypted_len, mac_len, pm_len, pd_len;
          uint8_t *resultp;
- #ifdef _LITTLE_ENDIAN
-         uint8_t *p;
- #endif  /* _LITTLE_ENDIAN */
  
  
          pm_len = ctx->ccm_processed_mac_len;
  
          if (pm_len > 0) {
--- 374,383 ----