[PUSB] Fixed return value for HID_::SendReport

Author: cmaglie

hardware/arduino/avr/libraries/HID/HID.cpp

@@ -88,11 +88,11 @@ void HID_::AppendDescriptor(HIDSubDescriptor *node)
 
 int HID_::SendReport(uint8_t id, const void* data, int len)
 {
-    auto ret = USB_Send(pluggedEndpoint, &id, 1);
-    if(ret >= 0){
-        ret += USB_Send(pluggedEndpoint | TRANSFER_RELEASE, data, len);
-    }
-    return ret;
+	auto ret = USB_Send(pluggedEndpoint, &id, 1);
+	if (ret < 0) return ret;
+	auto ret2 = USB_Send(pluggedEndpoint | TRANSFER_RELEASE, data, len);
+	if (ret2 < 0) return ret2;
+	return ret + ret2;
 }
 
 bool HID_::setup(USBSetup& setup)