iscsiuio: fixup type-punning issues in dhcpv6

Instead of cheekily treating an char array as an integer we
should be doing a proper conversion here.

Signed-off-by: Hannes Reinecke <hare@suse.de>
iscsiuio: Do not memcpy identical locations

It's pretty much pointless do a memcpy with src and dst
identical.
Found by valgrind.

Signed-off-by: Hannes Reinecke <hare@suse.de>
iscsiuio: Clear memory after allocation

Found by valgrind.

Signed-off-by: Hannes Reinecke <hare@suse.de>
iscsiuio: fixup race condition

valgrind detected a race condition in the nic receive loop.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Added firewall service file for isns (bnc#880305)

Conflicts:
	rpm/open-iscsi.spec -- resolved
Valgrind fixes for iscsiuio (bnc#881692)
Updated changes file to mention firewall svc filename