Fix the following errors reported by checkpatch:

ERROR: space required before the open parenthesis '('

Signed-off-by: GuoHua Cheng <chenguohua@jari.cn>
---
 fs/nfsd/filecache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index ef063f93fde9..f3aabc6a9f98 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -412,7 +412,7 @@ nfsd_file_dispose_list(struct list_head *dispose)
 static void
 nfsd_file_dispose_list_delayed(struct list_head *dispose)
 {
-	while(!list_empty(dispose)) {
+	while (!list_empty(dispose)) {
 		struct nfsd_file *nf = list_first_entry(dispose,
 						struct nfsd_file, nf_lru);
 		struct nfsd_net *nn = net_generic(nf->nf_net, nfsd_net_id);
-- 
2.17.1