clearsilver: fix building on non-linux systems

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@40513 3c298f89-4303-0410-b956-a3cf2f4a3e73
strongswan: remove the PF_ROUTE kernel interface to fix compile errors

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@40514 3c298f89-4303-0410-b956-a3cf2f4a3e73
strongswan: add missing library for the kernel-libipsec plugin

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@40515 3c298f89-4303-0410-b956-a3cf2f4a3e73
strongswan: update to 5.1.3, fixes an authentication bypass issue (CVE-2014-2338)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@40516 3c298f89-4303-0410-b956-a3cf2f4a3e73