[binutils-gdb] gdb: Add completer for layout command.

[sergiodj+buildbot at redhat dot com]

*** TEST RESULTS FOR COMMIT a014503004ad016d754bc9a4b143973ee18b0bbf ***

Author: Andrew Burgess <andrew.burgess@embecosm.com>
Branch: master
Commit: a014503004ad016d754bc9a4b143973ee18b0bbf

gdb: Add completer for layout command.
Add layout name completion for the layout command.

gdb/ChangeLog:

	* tui/tui-layout.c (layout_completer): New function.
	(_initialize_tui_layout): Set completer on layout command.

gdb/testsuite/ChangeLog:

	* gdb.base/completion.exp: Add test for completion of layout
	names.