- fix buffer length calculation, which prevented vpnc to work in case of 'big' packets close to tun's MTU (reported by Mischa Diehm <md at mailq.de>), submitted upstream
- fix buffer length calculation, which prevented vpnc to work in case of 'big' packets close to tun's MTU (reported by Mischa Diehm <md at mailq.de>), submitted upstream