fs/nfs/nfs4proc.c:4008:5: warning: symbol 'nfs4_discover_trunking' was not declared. Should it be static?

Fixes: 82ebfb0d6333 ("NFSv4.1 query for fs_location attr on a new file system")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---
 nfs4proc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a93deeca0c86f..7a59ec2d7dacc 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4005,7 +4005,7 @@ static int _nfs4_discover_trunking(struct nfs_server *server,
 	return status;
 }
 
-int nfs4_discover_trunking(struct nfs_server *server, struct nfs_fh *fhandle)
+static int nfs4_discover_trunking(struct nfs_server *server, struct nfs_fh *fhandle)
 {
 	struct nfs4_exception exception = {
 		.interruptible = true,