Show serial number as a hex value in hfa verbose startup.
diff --git a/driver-hashfast.c b/driver-hashfast.c
index b30e1b1..8d2e20c 100644
--- a/driver-hashfast.c
+++ b/driver-hashfast.c
@@ -413,7 +413,7 @@ tryagain:
(db->firmware_rev >> 8) & 0xff, db->firmware_rev & 0xff);
applog(LOG_INFO, "%s %d: hardware_rev: %d.%d", hashfast->drv->name, hashfast->device_id,
(db->hardware_rev >> 8) & 0xff, db->hardware_rev & 0xff);
- applog(LOG_INFO, "%s %d: serial number: %d", hashfast->drv->name, hashfast->device_id,
+ applog(LOG_INFO, "%s %d: serial number: 0x%08x", hashfast->drv->name, hashfast->device_id,
db->serial_number);
applog(LOG_INFO, "%s %d: hash clockrate: %d Mhz", hashfast->drv->name, hashfast->device_id,
db->hash_clockrate);