libxkbui: Fix license WARNING
WARNING: libxkbui-1_1.0.2-r10 do_populate_lic: libxkbui: No generic license file exists for: GPL in any provider
sources have:
Copyright (c) 1996 by Silicon Graphics Computer Systems, Inc.
so picked "SGI-1"
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>