11554 Want TCP_CONGESTION socket option
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>

*** 2037,2046 ****
--- 2037,2047 ----
          case TCP_RTO_MAX:               return ("TCP_RTO_MAX");
          case TCP_LINGER2:               return ("TCP_LINGER2");
          case TCP_KEEPIDLE:              return ("TCP_KEEPIDLE");
          case TCP_KEEPCNT:               return ("TCP_KEEPCNT");
          case TCP_KEEPINTVL:             return ("TCP_KEEPINTVL");
+         case TCP_CONGESTION:            return ("TCP_CONGESTION");
  
          default:                        (void) snprintf(pri->code_buf,
                                              sizeof (pri->code_buf),
                                              "0x%lx", val);
                                          return (pri->code_buf);