usb: use uint16_t for vendor/product IDS

Match the types used by libusb.

Modules/usbview/usbdb.cpp

@@ -94,7 +94,7 @@ USBDB::USBDB() {
 	}
 }
 
-QString USBDB::vendor(int id) const {
+QString USBDB::vendor(uint16_t id) const {
 	QString s = _ids.value(QStringLiteral("%1").arg(id));
 	if (id != 0) {
 		return s;
@@ -102,7 +102,7 @@ QString USBDB::vendor(int id) const {
 	return QString();
 }
 
-QString USBDB::device(int vendor, int id) const {
+QString USBDB::device(uint16_t vendor, uint16_t id) const {
 	QString s = _ids.value(QStringLiteral("%1-%2").arg(vendor).arg(id));
 	if ((id != 0) && (vendor != 0))
 		return s;

Modules/usbview/usbdb.h

@@ -21,8 +21,8 @@ public:
 
 	USBDB();
 
-	QString vendor(int id) const;
-	QString device(int vendor, int id) const;
+	QString vendor(uint16_t id) const;
+	QString device(uint16_t vendor, uint16_t id) const;
 
 	QString cls(uint8_t cls) const;
 	QString subclass(uint8_t cls, uint8_t sub) const;

Modules/usbview/usbdevices.h

@@ -64,7 +64,7 @@ private:
 	uint8_t _class, _sub, _prot;
 	unsigned int _maxPacketSize;
 
-	unsigned int _vendorID, _prodID;
+	uint16_t _vendorID, _prodID;
 
 	void collectDataSys(libusb_device *dev);
 };