debugfs-related mode_t whack-a-mole

all of those should be umode_t...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index ce7f075..9559ce4 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -72,7 +72,7 @@
 {
 	unsigned int i;
 	struct nfsd_fault_inject_op *op;
-	mode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
+	umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
 
 	debug_dir = debugfs_create_dir("nfsd", NULL);
 	if (!debug_dir)