Revert "daemon: augeas: Don't test if AUG_NO_ERR_CLOSE is defined."

This reverts commit f59b87f7f18d9df89ff9940a317ff1fb452cbd28.

See:
https://www.redhat.com/archives/libguestfs/2013-October/msg00035.html
Revert "daemon: augeas: Enhance error reporting for aug_init failures."

This reverts commit 272cc56876b9a3449da2fdfff546c598497d846d.

See:
https://www.redhat.com/archives/libguestfs/2013-October/msg00035.html