[IPV6]: Decentralize EXPORT_SYMBOLs.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index ef43bd5..f929f47 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -60,6 +60,8 @@
 	return ret;
 }
 
+EXPORT_SYMBOL(inet6_add_protocol);
+
 /*
  *	Remove a protocol from the hash tables.
  */
@@ -83,3 +85,5 @@
 
 	return ret;
 }
+
+EXPORT_SYMBOL(inet6_del_protocol);