Remove some more unused variables, and use RB_FOREACH_SAFE in

key_bindings_unref_table.

cmd-if-shell.c

@@ -73,14 +73,13 @@ cmd_if_shell_exec(struct cmd *self, struct cmd_q *cmdq)
 	struct format_tree		*ft;
 	const char			*cwd;
 
-	cwd = wp->cwd;
-
 	if (cmdq->client != NULL && cmdq->client->session == NULL)
 		cwd = cmdq->client->cwd;
 	else if (s != NULL)
 		cwd = s->cwd;
 	else
 		cwd = NULL;
+
 	ft = format_create(cmdq, 0);
 	format_defaults(ft, NULL, s, wl, wp);
 	shellcmd = format_expand(ft, args->argv[0]);

cmd-resize-pane.c

@@ -68,7 +68,6 @@ cmd_resize_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 		return (CMD_RETURN_NORMAL);
 	}
 
-	w = wl->window;
 	if (args_has(args, 'Z')) {
 		if (w->flags & WINDOW_ZOOMED)
 			window_unzoom(w);

cmd.c

@@ -482,7 +482,6 @@ cmd_prepare_state_flag(char c, const char *target, enum cmd_entry_flag flag,
 		    CMD_FIND_SESSION, CMD_FIND_QUIET);
 		if (error == 0)
 			break;
-		flag = CMD_WINDOW_INDEX;
 		/* FALLTHROUGH */
 	case CMD_WINDOW:
 	case CMD_WINDOW_CANFAIL:

key-bindings.c

@@ -68,12 +68,12 @@ void
 key_bindings_unref_table(struct key_table *table)
 {
 	struct key_binding	*bd;
+	struct key_binding	*bd1;
 
 	if (--table->references != 0)
 		return;
 
-	while (!RB_EMPTY(&table->key_bindings)) {
-		bd = RB_ROOT(&table->key_bindings);
+	RB_FOREACH_SAFE(bd, key_bindings, &table->key_bindings, bd1) {
 		RB_REMOVE(key_bindings, &table->key_bindings, bd);
 		cmd_list_free(bd->cmdlist);
 		free(bd);