apps/bttester: Fix min key size
@@ -187,7 +187,7 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
BLE_GATT_CHR_F_READ |
BLE_GATT_CHR_F_WRITE |
BLE_GATT_CHR_F_WRITE_ENC,
- .min_key_size = 0x16,
+ .min_key_size = 16,
}, {
.uuid = PTS_UUID_DECLARE(PTS_LONG_CHR_READ_WRITE),
.access_cb = gatt_svr_read_write_long_test,
