warning: incompatible pointer types passing 'struct bpf_timeval *' to parameter of type 'struct timeval *'

Index: src/tcp.h
--- src/tcp.h.orig
+++ src/tcp.h
@@ -5,6 +5,7 @@
 #ifndef _NIDS_TCP_H
 #define _NIDS_TCP_H
 #include <sys/time.h>
+#include <net/bpf.h>
 
 struct skbuff {
   struct skbuff *next;
@@ -25,6 +26,6 @@ int tcp_init(int);
 void tcp_exit(void);
 void process_tcp(u_char *, int);
 void process_icmp(u_char *);
-void tcp_check_timeouts(struct timeval *);
+void tcp_check_timeouts(struct bpf_timeval *);
 
 #endif /* _NIDS_TCP_H */