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-rw-r--r--sys/contrib/ipfilter/netinet/ip_fil.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/contrib/ipfilter/netinet/ip_fil.c b/sys/contrib/ipfilter/netinet/ip_fil.c
index b3d5ef7..f974400 100644
--- a/sys/contrib/ipfilter/netinet/ip_fil.c
+++ b/sys/contrib/ipfilter/netinet/ip_fil.c
@@ -169,9 +169,8 @@ static int ipfr_fastroute6 __P((struct mbuf *, struct mbuf **,
# endif
# ifdef __sgi
extern int tcp_mtudisc;
-extern kmutex_t ipf_rw;
-extern KRWLOCK_T ipf_mutex;
-# elif (__FreeBSD_version >= 500043)
+# endif
+# ifdef USE_MUTEX
extern kmutex_t ipf_rw;
extern KRWLOCK_T ipf_mutex;
# endif
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