Fix cosmetic issue with Logging-out node vstatus display (NodeStatusLogout)

When displaying this node vstatus, the user's alias shouldn't be appended to
the node status, else you get something like this:

16  Logging out Digital ManDigital Man

exec/load/presence_lib.js

@@ -212,14 +212,17 @@ function node_status(node, is_sysop, options, num)
 			output += node_connection_desc(node);
 			break;
 		case NODE_LOGOUT:
-			output += node.vstatus || NodeStatus[node_status];
-
+			if (node.vstatus)
+				output += node.vstatus
+			else {
+				output += NodeStatus[node_status];
 				if(options.username_prefix)
 					output += options.username_prefix;
 				if(js.global.bbs && (misc&NODE_ANON) && !is_sysop)
 					output += bbs.text(UNKNOWN_USER);
 				else
 					output += system.username(node.useron);
+			}
 			break;
 		default:
 			output += node.vstatus || format(NodeStatus[node_status], node.aux);