[PATCH]: Fix crash when using 'tui reg' in non-tui mode

[Andrew Cagney]

> Hi!
> 
> This patch fixes a crash when 'tui reg' commands are used in the non-tui mode.  Following
> the 'layout' and other tui specific commands, it now switches to the tui mode and makes sure
> the tui register window is visible.
> 
> Committed on 6_1 and mainline.

Pss, the branch is ment to be frozen ;-)  However, never mind.

>   Stephane
> 
> 2004-03-28  Stephane Carrez  <stcarrez@nerim.fr>
> 
>     * tui/tui-regs.c (tui_show_registers): Make sure the TUI is active
>     and switch the layout to force a display of register window.

Andrew