libostree: added empty ot_cleanup_{read,write}_archive macros.
libostree: added empty ot_cleanup_{read,write}_archive macros.

Added empty macros for ot_cleanup_{read,write}_archive to fix
errors when compiling without libarchive.

Signed-off-by: Krisztian Litkey <krisztian.litkey@intel.com>

Closes: #677
Approved by: cgwalters

GNOME/ostree,GNOME/ostree,GNOME/ostree,GNOME/ostree,GNOME/ostree