add priority management for kernel policy

let ROUTED policies installed, until manuall removed
introduced new naming scheme to allow proper shutdown of IKE/CHILD_SAs
ike_sa_manager cleanups

src/charon/config/traffic_selector.c

@@ -24,6 +24,7 @@
 #include <arpa/inet.h>
 #include <string.h>
 #include <netdb.h>
+#include <stdio.h>
 
 #include "traffic_selector.h"