Hi Johann, The upstream has commited your patch, however, I plan to fix this bug in the next release of sshguard.
Thanks for all. Kind regards, -- Julián Moreno Patiño .''`. Debian GNU/{Linux,KfreeBSD} : :' : Free Operating Systems `. `' http://debian.org/ `- PGP KEY ID 6168BF60 Registered GNU Linux User ID 488513