netfilter: headers included twice

Headers included twice.
Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

net/decnet/netfilter/dn_rtmsg.c

@@ -26,8 +26,6 @@
 #include <net/dn.h>
 #include <net/dn_route.h>
 
-#include <linux/netfilter_decnet.h>
-
 static struct sock *dnrmg = NULL;
 
 

net/ipv4/netfilter/ip_conntrack_proto_icmp.c

@@ -16,7 +16,6 @@
 #include <linux/skbuff.h>
 #include <net/ip.h>
 #include <net/checksum.h>
-#include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_ipv4/ip_conntrack.h>
 #include <linux/netfilter_ipv4/ip_conntrack_core.h>

net/ipv4/netfilter/ip_conntrack_proto_tcp.c

@@ -32,7 +32,6 @@
 
 #include <net/tcp.h>
 
-#include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_ipv4/ip_conntrack.h>
 #include <linux/netfilter_ipv4/ip_conntrack_protocol.h>

net/ipv4/netfilter/ip_conntrack_proto_udp.c

@@ -15,7 +15,6 @@
 #include <linux/udp.h>
 #include <linux/seq_file.h>
 #include <net/checksum.h>
-#include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/netfilter_ipv4/ip_conntrack_protocol.h>