packaging: spec: fix missing shadow-tools deps
packaging: spec: fix missing shadow-tools deps

Added missing shadow-tools dep to packages creating users.

Bug-Url: https://bugzilla.redhat.com/1292009
Change-Id: I40a422eea7164229657fa6e83f60d38872a99a1a
Signed-off-by: Sandro Bonazzola <fcb014d63786651910af5db2ecc5316c668188ef@redhat.com>

OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine