Don't know why this line was here.

This commit was SVN r14509.

orte/mca/oob/tcp/oob_tcp.c

@@ -467,7 +467,6 @@ static int mca_oob_tcp_create_listen(int *target_sd, uint16_t af_family)
                             "mca_oob_tcp_create_listen: unable to disable v4-mapped addresses\n");
             }
         }
-        addrlen = sizeof(struct sockaddr_in6);
     }
 #else
     inaddr.sin_family = AF_INET;