[PATCH 3.8 15/91] l2tp: Fix build warning with ipv6 disabled.

3.8.13.13 -stable review patch. If anyone has any objections, please let me know. -- From: "David S. Miller" [ Upstream commit 8d8a51e26a6d415e1470759f2cf5f3ee3ee86196 ] net/l2tp/l2tp_core.c: In function ‘l2tp_verify_udp_checksum’: net/l2tp/l2tp_core.c:499:22: warning:

[PATCH 3.8 15/91] l2tp: Fix build warning with ipv6 disabled.

3.8.13.13 -stable review patch. If anyone has any objections, please let me know. -- From: David S. Miller da...@davemloft.net [ Upstream commit 8d8a51e26a6d415e1470759f2cf5f3ee3ee86196 ] net/l2tp/l2tp_core.c: In function ‘l2tp_verify_udp_checksum’: