compositor-drm: fix memcmp using a bad pointer in drm_outout_choose_initial_mode

current_mode is already the pointer, taking the address of it is wrong.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94562
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
[Pekka: rewrote the patch]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1 file changed