Use correct mtu for pptp when wan is pppoe.
Use correct mtu for pptp when wan is pppoe.

Have I mentioned how much I _HATE_ pptp lately?

ptorsten/pfsense,dennypage/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,jxmx/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,phil-davis/pfsense,ch1c4um/pfsense,pfsense/pfsense,pfsense/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,NOYB/pfsense,phil-davis/pfsense,brunostein/pfsense,ch1c4um/pfsense,brunostein/pfsense,dennypage/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,NOYB/pfsense,ptorsten/pfsense,pfsense/pfsense,NOYB/pfsense,brunostein/pfsense,dennypage/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,NewEraCracker/pfsense,pfsense/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,jxmx/pfsense