utils: remove return redundant parenthesis

Change-Id: I71708a90499d8b2375ffb6bd83297a0c1b1c5ce3
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/33690
Reviewed-by: Nir Soffer <nsoffer@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>