Fixed crash

source/ubl-settings-usergroups.c

@@ -545,7 +545,6 @@ void yon_samba_sync_remove(char *user){
 	int sync_place = yon_char_parsed_check_exist(main_config.sync_users,main_config.sync_size,yon_char_append(user,":"));
 	if (sync_place>-1){
 		config_str temp = yon_char_parsed_rip(main_config.sync_users,&main_config.sync_size,sync_place);
-		free(main_config.sync_users);
 		main_config.sync_users = temp;
 	}