Minor bfl tidy.

driver-bitforce.c

@@ -339,12 +339,15 @@ static uint64_t bitforce_get_result(struct thr_info *thr, struct work *work)
 	while (bitforce->wait_ms < BITFORCE_LONG_TIMEOUT_MS) {
 		if (unlikely(work_restart[thr->id].restart))
 			return 1;
+
 		mutex_lock(&bitforce->device_mutex);
 		BFwrite(fdDev, "ZFX", 3);
 		BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
 		mutex_unlock(&bitforce->device_mutex);
+
 		if (pdevbuf[0] && pdevbuf[0] != 'B') /* BFL does not respond during throttling */
 			break;
+
 		/* if BFL is throttling, no point checking so quickly */
 		delay_time_ms = (pdevbuf[0] ? BITFORCE_CHECK_INTERVAL_MS : 2 * WORK_CHECK_INTERVAL_MS);
 		usleep(delay_time_ms * 1000);
@@ -356,6 +359,7 @@ static uint64_t bitforce_get_result(struct thr_info *thr, struct work *work)
 		bitforce->device_last_not_well = time(NULL);
 		bitforce->device_not_well_reason = REASON_DEV_OVER_HEAT;
 		bitforce->dev_over_heat_count++;
+
 		if (!pdevbuf[0])           /* Only return if we got nothing after timeout - there still may be results */
 			return 1;
 	} else if (pdevbuf[0] == 'N') {/* Hashing complete (NONCE-FOUND or NO-NONCE) */