[PATCH 23/24] st: add a SPDX tag to st.c

[Christoph Hellwig <hch@xxxxxx>]

st.c is the only st file missing licensing information.  Add a
GPLv2 tag for the default kernel license.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/scsi/st.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 19c022e66d63..b814906af0a3 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
    SCSI Tape Driver for Linux version 1.1 and newer. See the accompanying
    file Documentation/scsi/st.txt for more information.
-- 
2.20.1