SUNRPC: Make rpc_ping() static

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 76eef19..4e91f31 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -72,6 +72,8 @@
 static __be32 *	call_header(struct rpc_task *task);
 static __be32 *	call_verify(struct rpc_task *task);
 
+static int	rpc_ping(struct rpc_clnt *clnt, int flags);
+
 static void rpc_register_client(struct rpc_clnt *clnt)
 {
 	spin_lock(&rpc_client_lock);
@@ -1441,7 +1443,7 @@
 	.p_decode = rpcproc_decode_null,
 };
 
-int rpc_ping(struct rpc_clnt *clnt, int flags)
+static int rpc_ping(struct rpc_clnt *clnt, int flags)
 {
 	struct rpc_message msg = {
 		.rpc_proc = &rpcproc_null,