[hackage-server] [patch] fix hackage-mirror libcrypt link error

Hi, A small patch to fix linking hackage-mirror to libcrypt. (Just copies the crypt lines in hackage-server.cabal from the hackager-server executable to hackage-mirror, so that linking of hackage-mirror doesn't fail. Sat Dec 4 17:10:19 EST 2010 Jens Petersen * add crypt to executable hackage-mirror too Please ping me if you need a trac ticket for this... Thanks, Jens