directory
Weston is also a user of the plug-ins, so make use of it. With this
change we unconditionally install the plug-in headers even though
libweston might not be built with support for them.
Suggested-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>