git_ssh_server: ignore '-c' flag
git_ssh_server: ignore '-c' flag

If the git user's default shell is set to this scriptk, and the
authorized keys file is set to be 'command="user",...', the SSH will run
'<script> -c <user>'.  So, we now ignore the '-c' flag.  (It can be
anywhere in the command line.)

MarkLodato/git-ssh-server