Fixed groups 'x' instead of empty string at additional parameters column

source/ubl-settings-usergroups.c

@@ -118,6 +118,9 @@ void yon_interface_update(main_window *widgets){
 					login = yon_char_divide_search(parameters[0],"=",-1);
 					login[strlen(login)-1]='\0';
 				}
+				if (parameters_size>2&&!strcmp(parameters[2],"x")){
+					parameters[2]="";
+				}
 				if (!strcmp(parameters[1],"x")) parameters[1]="";
 				char *pars="";
 				if (parameters_size>3&&strcmp(parameters[3],"x")&&strcmp(parameters[3],"")){