Return void from tui_show_frame_info

Nothing uses the tui_show_frame_info result any more, so change it to
return void.

Tested-By: Tom de Vries <tdevries@suse.de>
Reviewed-By: Andrew Burgess <aburgess@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
2 files changed