renderer: Treat ABS_TIME/REL_TIME the same
renderer: Treat ABS_TIME/REL_TIME the same

Looks like the original fix wasn't correct, see

https://bugzilla.gnome.org/show_bug.cgi?id=686628#c3

Signed-off-by: Jens Georg <mail@jensge.org>

https://bugzilla.gnome.org/show_bug.cgi?id=712181

GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched,Tarnyko/rygel,Pelagicore/Media-Manager-Rygel-patched,GNOME/rygel,Tarnyko/rygel,GNOME/rygel,Pelagicore/Media-Manager-Rygel-patched