Add IPv6 support for FreeBSD
Add IPv6 support for FreeBSD

Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

lins05/openconnect,mveplus/openconnect-client,nmav/openconnect-mine,certik/openconnect,cernekee/openconnect,lins05/openconnect,brandt/openconnect,mveplus/openconnect-client,liiir1985/openconnect,chadcatlett/openconnect,neshema/openconnect,matlockx/openconnect,atyndall/openconnect,mveplus/openconnect-client,don-johnny/openconnect,brandt/openconnect,chadcatlett/openconnect,brandt/openconnect,matlockx/openconnect,nmav/openconnect-mine,brandt/openconnect,matlockx/openconnect,mtmiller/openconnect,nmav/openconnect-mine,don-johnny/openconnect,sihde/openconnect,sihde/openconnect,chadcatlett/openconnect,pbrook/openconnect,matlockx/openconnect,mtmiller/openconnect,mtmiller/openconnect,lins05/openconnect,mdutton3/OpenConnect,liiir1985/openconnect,nmav/openconnect-mine,don-johnny/openconnect,neshema/openconnect,cernekee/openconnect,mdutton3/OpenConnect,mveplus/openconnect-client,ldx/android_external_openconnect,certik/openconnect,sihde/openconnect,liiir1985/openconnect,lins05/openconnect,neshema/openconnect,neshema/openconnect,cernekee/openconnect,pbrook/openconnect,atyndall/openconnect,atyndall/openconnect,mdutton3/OpenConnect,don-johnny/openconnect,certik/openconnect,ldx/android_external_openconnect,atyndall/openconnect,chadcatlett/openconnect,liiir1985/openconnect,cernekee/openconnect,mtmiller/openconnect