[NET]: Fix sparse warnings

Of this type, mostly:

CHECK   net/ipv6/netfilter.c
net/ipv6/netfilter.c:96:12: warning: symbol 'ipv6_netfilter_init' was not declared. Should it be static?
net/ipv6/netfilter.c:101:6: warning: symbol 'ipv6_netfilter_fini' was not declared. Should it be static?

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/raw.h b/include/net/raw.h
index 1c4bc3e..f479174 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -17,10 +17,10 @@
 #ifndef _RAW_H
 #define _RAW_H
 
+#include <linux/config.h>
 
 extern struct proto raw_prot;
 
-
 extern void 	raw_err(struct sock *, struct sk_buff *, u32 info);
 extern int 	raw_rcv(struct sock *, struct sk_buff *);
 
@@ -39,4 +39,9 @@
 
 extern int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
 
+#ifdef CONFIG_PROC_FS
+extern int  raw_proc_init(void);
+extern void raw_proc_exit(void);
+#endif
+
 #endif	/* _RAW_H */