Avoid using "-" in tests, some old systems has bug in getopt.
Avoid using "-" in tests, some old systems has bug in getopt.

git-svn-id: f1c4d174a13b2bd4c047b47c398fe6b4d47908a0@440 36d66b0a-2a48-0410-832c-cd162a569da5

periodic1236/cryptsetup,periodic1236/cryptsetup,periodic1236/cryptsetup