* tuiSourceWin.c (tuiDisplayMainFunction): Update to use

	* tuiSourceWin.c (tuiDisplayMainFunction): Update to use
	tuiUpdateLocatorFilename.
	* tuiStack.c (tuiSetLocatorInfo): Make it static.
	(tuiSetLocatorContent): Likewise.
	(tuiUpdateLocatorInfoFromFrame): Likewise.
	(tuiSwitchFilename): Remove.
	(tui_set_locator_filename): New function
	(tui_set_locator_info): Rename from tuiSetLocatorInfo to GNU-ify;
	use tui_set_locator_filename to record the filename.
	(tuiUpdateLocatorFilename): Likewise.
	(tuiUpdateLocatorInfoFromFrame): Update.
	(tuiSetLocatorContent): Likewise.
	* tuiStack.h (tuiClearLocatorContent): Don't declare.
	(tuiSetLocatorInfo, tuiSetLocatorContent): Likewise.
	(tuiUpdateLocatorInfoFromFrame, tuiSwitchFilename): Likewise.