tipc: fix sparse warnings in new nl api

Fix sparse warnings about non-static declaration of static functions
in the new tipc netlink API.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 5f6f323..463db5b 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -647,7 +647,8 @@
 }
 
 /* Caller should hold rtnl_lock to protect the bearer */
-int __tipc_nl_add_bearer(struct tipc_nl_msg *msg, struct tipc_bearer *bearer)
+static int __tipc_nl_add_bearer(struct tipc_nl_msg *msg,
+				struct tipc_bearer *bearer)
 {
 	void *hdr;
 	struct nlattr *attrs;
@@ -905,7 +906,8 @@
 	return 0;
 }
 
-int __tipc_nl_add_media(struct tipc_nl_msg *msg, struct tipc_media *media)
+static int __tipc_nl_add_media(struct tipc_nl_msg *msg,
+			       struct tipc_media *media)
 {
 	void *hdr;
 	struct nlattr *attrs;