remove all trailing whitespace

fs/ntfs.c

@@ -862,7 +862,7 @@ fail:
 
 static grub_err_t
 grub_ntfs_dir (grub_device_t device, const char *path,
-	       int (*hook) (const char *filename, 
+	       int (*hook) (const char *filename,
 			    const struct grub_dirhook_info *info))
 {
   struct grub_ntfs_data *data = 0;