[IPV6]: Sparse: Declare non-static ipv6_{route,icmp,frag}_sysctl_init() in header.

Fix the following sparse warnings:
| net/ipv6/route.c:2491:18: warning: symbol 'ipv6_route_sysctl_init' was not declared. Should it be static?
| net/ipv6/icmp.c:922:18: warning: symbol 'ipv6_icmp_sysctl_init' was not declared. Should it be static?
| net/ipv6/reassembly.c:628:6: warning: symbol 'ipv6_frag_sysctl_init' was not declared. Should it be static?

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c8e8cb241090..3712caeae74e 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -586,6 +586,10 @@ extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
                          int __user *optlen);
 
 #ifdef CONFIG_PROC_FS
+extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net);
+extern void ipv6_frag_sysctl_init(struct net *net);
+extern struct ctl_table *ipv6_route_sysctl_init(struct net *net);
+
 extern int  ac6_proc_init(void);
 extern void ac6_proc_exit(void);
 extern int  raw6_proc_init(void);