ieee1394: constify device ID tables

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 9b71390..da5f882 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -2982,7 +2982,7 @@
  * Export information about protocols/devices supported by this driver.
  */
 #ifdef MODULE
-static struct ieee1394_device_id raw1394_id_table[] = {
+static const struct ieee1394_device_id raw1394_id_table[] = {
 	{
 	 .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION,
 	 .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,