package/strongswan: Install libraries to /usr/lib

Install strongswan ipsec libraries into /usr/lib instead of
/usr/lib/ipsec to place them in preferred library common location.

Signed-off-by: Sam Voss <sam.voss@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/strongswan/strongswan.mk

@@ -37,7 +37,10 @@ STRONGSWAN_CONF_OPTS += \
 	--enable-scepclient=$(if $(BR2_PACKAGE_STRONGSWAN_SCEP),yes,no) \
 	--enable-scripts=$(if $(BR2_PACKAGE_STRONGSWAN_SCRIPTS),yes,no) \
 	--enable-vici=$(if $(BR2_PACKAGE_STRONGSWAN_VICI),yes,no) \
-	--enable-swanctl=$(if $(BR2_PACKAGE_STRONGSWAN_VICI),yes,no)
+	--enable-swanctl=$(if $(BR2_PACKAGE_STRONGSWAN_VICI),yes,no) \
+	--with-ipseclibdir=/usr/lib \
+	--with-plugindir=/usr/lib/ipsec/plugins \
+	--with-imcvdir=/usr/lib/ipsec/imcvs
 
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
 STRONGSWAN_CONF_ENV += LIBS='-latomic'