* tuiWin.c (tuiStrDup): Remove, replaced by xstrdup.

	* tuiWin.c (tuiStrDup): Remove, replaced by xstrdup.
	(_parseScrollingArgs): Use xstrdup.
	(_tuiScrollForward_command): Call tui_enable() to force TUI mode.
	(_tuiScrollBackward_command): Likewise.
	(_tuiScrollLeft_command): Likewise.
	(_tuiScrollRight_command): Likewise.
	(_tuiSetFocus): Likewise.
	(_tuiSetFocus_command): Likewise.
	(_tuiRefreshAll_command): Likewise.
	(_tuiSetTabWidth_command): Likewise.
	(_tuiSetWinHeight): Likewise.
	(_tuiSetWinHeight_command): Likewise.
	(_tuiXDBsetWinHeight): Likewise.
	(_tui_vSetFocus): Remove.
	(_tui_vSetWinHeight): Remove.
	(_tui_vXDBsetWinHeight): Remove.