ols: send CMD_RESET on acquisition stop

Sending CMD_RESET will interrupt armed/untriggered acquisitions which is
very useful in Pulseview sessions since, without this, a next 'run' will
hang.

Signed-off-by: Ben Gardiner <ben.l.gardiner@gmail.com>

src/hardware/openbench-logic-sniffer/protocol.c

@@ -346,6 +346,8 @@ SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi)
 	struct sr_serial_dev_inst *serial;
 
 	serial = sdi->conn;
+	send_shortcommand(serial, CMD_RESET);
+
 	serial_source_remove(sdi->session, serial);
 
 	std_session_send_df_end(sdi);