initialized the last arg to ip6_process_hopopts(), because the recent code requires it to be 0 when a jumbo payload option is contained.
initialized the last arg to ip6_process_hopopts(), because the recent
code requires it to be 0 when a jumbo payload option is contained.

PR:		kern/77934
Submitted by:	Gerd Rausch <gerd@juniper.net>
Obtained from:	KAME
MFC after:	2 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase