[PATCH 2/2] [gdb/tui] Delete line buffer when switching to singlekey

[Tom Tromey]

>>>>> "Tom" == Tom de Vries via Gdb-patches <gdb-patches@sourceware.org> writes:

Tom> The SingleKey "d" is supposed run the "down" command.

Tom> Fix this by clearing the readline line buffer when switching to SingleKey
Tom> mode.

I was wondering if saving and restoring the partial text would be
better, but honestly this is better than the status quo, and it's not
clear to me that people switch in and out of SingleKey so much that this
kind of detail would matter.

So, seems good.

Reviewed-By: Tom Tromey <tom@tromey.com>

Tom