[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, 0 insertions, 3 deletions

diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 5e0af4d46324..7197eb74a755 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -14,9 +14,6 @@
 #include <net/addrconf.h>
 #include <net/inet_frag.h>
 
-extern struct ctl_table *ipv6_route_sysctl_init(struct net *net);
-extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net);
-
 static ctl_table ipv6_table_template[] = {
         {
                 .ctl_name       = NET_IPV6_ROUTE,