Yubico/yubikey-ksm — pull request #4 by Veidit (2013-04-20 18:39:42+00:00)
Title: Making it work with Centos/RHEL 6

The version of help2man in Centos/RHEL 6 is 1.36.4 and that dosn't support the --version-string string that was first added in 1.37