In dbus-daemon implementation, the servicedir are searched in order in
which they appear in the config file.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=66994
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
</itemizedlist>
<para>Adds a directory to scan for .service files. Directories are
-scanned starting with the last to appear in the config file
+scanned starting with the first to appear in the config file
(the first .service file found that provides a particular
service will be used).</para>