clang fix

libs/main/io_devices/piethernet.h

@@ -313,7 +313,7 @@ public:
 	//! Send data "data" to address "addr" for UDP
 	bool send(const Address & addr, const PIByteArray & data, bool threaded = false);
 	
-	virtual bool canWrite() const {return mode() & WriteOnly;}
+	bool canWrite() const override {return mode() & WriteOnly;}
 
 	int socket() const {return sock;}