Make /layout reset take effect immediately.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4765 dbcabf3a-b0e7-0310-adc4-f8d773084564

TODO

@@ -252,8 +252,6 @@
 
  - Windows:
      - /WINDOW SIZE -sticky, so f.e. /WINDOW BALANCE wouldn't affect it.
-     - /LAYOUT save|reset doesn't affect anything immediately, only after
-       restart
      - Check that /LAYOUT SAVE works properly with all the different /SETs,
        like reuse_unsued_windows, windows_auto_renumber and autoclose_windows.
        What should it do if some channel is /PARTed with autoclose_windows 

src/fe-common/core/windows-layout.c

@@ -240,6 +240,14 @@ void windows_layout_save(void)
 
 void windows_layout_reset(void)
 {
+	GSList *tmp;
+
+	for (tmp = windows; tmp != NULL; tmp = tmp->next) {
+		WINDOW_REC *window = tmp->data;
+		while (window->bound_items != NULL)
+			window_bind_destroy(window, window->bound_items->data);
+	}
+
 	iconfig_set_str(NULL, "windows", NULL);
 	signal_emit("layout reset", 0);