main: rename wayland_backend_config_add_new_output function

Rename wayland_backend_config_add_new_output to
weston_wayland_backend_config_add_new_output to follow the legacy naming
scheme.

Signed-off-by: Benoit Gschwind <gschwind@gnu-log.net>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
[Pekka: rebased]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1 file changed