brew install cvsync update

$ brew install cvsync
==> Downloading ftp://ftp.cvsync.org/pub/cvsync/cvsync-0.24.19.tar.gz
curl: (7) couldn't connect to host
Error: Download failed: ftp://ftp.cvsync.org/pub/cvsync/cvsync-0.24.19.tar.gz

so i updated cvsync.rb with a new url http://www.cvsync.org/dist/cvsync-0.24.19.tar.gz