fix 'Possible precedence issue with control flow operator' warning bnc#901597

(cherry picked from commit 8479e5547f61d9fde239cb3e81da09b4864f42fd)

Conflicts:
	package/yast2-samba-server.changes
	package/yast2-samba-server.spec
Merge pull request #26 from noelpower/bnc90157-13_1

fix 'Possible precedence issue with control flow operator' warning bnc#9...