Make the output of the crackname script more readable

Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jul  3 23:17:57 CEST 2013 on sn-devel-104