aaa: Fix add users

Topic: AAA
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1127623
Change-Id: Ie0384bab5abb6b8e1b1c9d1582bc630ea012cd4f
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>