Fixed misplaced #endif

This commit was SVN r17028.

orte/mca/oob/tcp/oob_tcp.c

@@ -539,8 +539,8 @@ 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");
             }
         }
-    }
 #endif /* IPV6_V6ONLY */
+    }
 #else
     if (AF_INET != af_family) {
         return ORTE_ERROR;