Staging: lustre: linux-module: add const modifier to file_operations

Add the const modifier to the file_operations struct, since it is
normally const.
Signed-off-by: NJessica Yu <jyu@cowsay.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/linux/linux-module.c

@@ -170,7 +170,7 @@ static long libcfs_ioctl(struct file *file,
 	return rc;
 }
 
-static struct file_operations libcfs_fops = {
+static const struct file_operations libcfs_fops = {
 	.unlocked_ioctl	= libcfs_ioctl,
 	.open		= libcfs_psdev_open,
 	.release	= libcfs_psdev_release,