#include <linux/skbuff.h>
#include <linux/icmp.h>
#include <linux/sysctl.h>
+#include <net/route.h>
#include <net/ip.h>
#include <linux/netfilter_ipv4.h>
#ifdef CONFIG_SYSCTL
/* From nf_conntrack_proto_icmp.c */
-extern unsigned long nf_ct_icmp_timeout;
+extern unsigned int nf_ct_icmp_timeout;
static struct ctl_table_header *nf_ct_ipv4_sysctl_header;
static ctl_table nf_ct_sysctl_table[] = {