Fix use of current in load_bbslist()

Previously resulted in keeping a pointer across a free() and (hopefully)
a new malloc().  Obviously broken.

Tnaks deathr0w-!

src/syncterm/bbslist.c

@@ -1452,6 +1452,8 @@ void load_bbslist(struct bbslist **list, size_t listsize, struct bbslist *defaul
 	if(stricmp(shared_list, listpath)) /* don't read the same list twice */
 		read_list(shared_list, list, defaults, listcount, SYSTEM_BBSLIST);
 	sort_list(list, listcount, cur, bar, current);
+	if(current)
+		free(current);
 }
 
 /*
@@ -1503,7 +1505,7 @@ struct bbslist *show_bbslist(char *current, int connected)
 
 	get_syncterm_filename(listpath, sizeof(listpath), SYNCTERM_PATH_LIST, FALSE);
 	get_syncterm_filename(shared_list, sizeof(shared_list), SYNCTERM_PATH_LIST, TRUE);
-	load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, current);
+	load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, current?strdup(current):NULL);
 
 	uifc.helpbuf="Help Button Hack";
 	uifc.list(WIN_T2B|WIN_RHT|WIN_EXTKEYS|WIN_DYN|WIN_HLP|WIN_ACT|WIN_INACT
@@ -1688,7 +1690,7 @@ struct bbslist *show_bbslist(char *current, int connected)
 							}
 							else {
 								add_bbs(listpath,list[listcount-1]);
-								load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[listcount-1]->name);
+								load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[listcount-1]?strdup(list[listcount-1]->name):NULL);
 								oldopt=-1;
 							}
 							break;
@@ -1739,7 +1741,7 @@ struct bbslist *show_bbslist(char *current, int connected)
 								break;
 							}
 							if(edit_list(list, list[opt],listpath,FALSE)) {
-								load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[opt]?list[opt]->name:NULL);
+								load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[opt]?strdup(list[opt]->name):NULL);
 								oldopt=-1;
 							}
 							break;
@@ -1754,7 +1756,7 @@ struct bbslist *show_bbslist(char *current, int connected)
 							uifc.msg("Cannot edit list in safe mode");
 						}
 						else if(edit_list(list, list[opt],listpath,FALSE)) {
-							load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[opt]?list[opt]->name:NULL);
+							load_bbslist(list, sizeof(list), &defaults, listpath, sizeof(listpath), shared_list, sizeof(shared_list), &listcount, &opt, &bar, list[opt]?strdup(list[opt]->name):NULL);
 							oldopt=-1;
 						}
 					}