s390/qeth: Fix typo 'the the' in comment

Replace 'the the' with 'the' in the comment.

Signed-off-by: Slark Xiao <slark_xiao@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: SlarkXiao

drivers/s390/net/qeth_core_main.c

@@ -3565,7 +3565,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
 			if (!atomic_read(&queue->set_pci_flags_count)) {
 				/*
 				 * there's no outstanding PCI any more, so we
-				 * have to request a PCI to be sure the the PCI
+				 * have to request a PCI to be sure the PCI
 				 * will wake at some time in the future then we
 				 * can flush packed buffers that might still be
 				 * hanging around, which can happen if no