nodestatus() print internal code rather than xtrn number, if possible

(as a fall back to the full external program name).

src/sbbs3/userdat.c

@@ -1480,6 +1480,9 @@ char* nodestatus(scfg_t* cfg, node_t* node, char* buf, size_t buflen, int num)
 					if(is_valid_xtrnnum(cfg, xtrnnum))
 						sprintf(str+strlen(str),"running %s"
 							,cfg->xtrn[xtrnnum]->name);
+					else if(*user.curxtrn != '\0')
+						sprintf(str+strlen(str),"running external program %s"
+							,user.curxtrn);
 					else
 						sprintf(str+strlen(str),"running external program #%d"
 							,node->aux);