Add now auto-generated manpage to svn:ignore.

I had to touch svn directly, where is my reimbursement?

Signed-off-by: Stefan Tauner <stefan.tauner@student.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@student.tuwien.ac.at>


git-svn-id: svn://flashrom.org/flashrom/trunk@1729 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1