KLIPS: Fix for crashes in ipsec_xmit_ipip() for 3.4.65+ kernels

ip_select_ident() function API changed.

Signed-off-by: David McCullough <ucdevel@gmail.com>

Thanks to Roel van Meer <roel.vanmeer@bokxing-it.nl> for testing
and feedback on the patch.

Signed-off-by: Paul Wouters <pwouters@redhat.com>

Conflicts:
	linux/include/libreswan/ipsec_param2.h
	testing
Merge commit 'cf1c1ba' into test