[CIFS] Remove cifs_sb argument from *build_path_from_dentry

This argument was added in a recent patch, but is unnecessary, since
the superblock is easily obtained from the dentry.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index f769292..9780f4e 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -368,7 +368,7 @@
 		return -EINVAL;
 
 	down(&file->f_dentry->d_sb->s_vfs_rename_sem);
-	full_path = build_path_from_dentry(file->f_dentry, cifs_sb);
+	full_path = build_path_from_dentry(file->f_dentry);
 	up(&file->f_dentry->d_sb->s_vfs_rename_sem);
 
 	if(full_path == NULL) {