fix duplicate symbols in c build
@@ -466,14 +466,14 @@ KRadioStatus kprv_radio_rx_reset(KRadioReset type);
/**
* File descriptor for the radio's I2C bus
*/
-int radio_bus;
+extern int radio_bus;
/**
* Radio transmitter properties
*/
-trx_prop radio_tx;
+extern trx_prop radio_tx;
/**
* Radio receiver properties
*/
-trx_prop radio_rx;
+extern trx_prop radio_rx;
/* @} */
