fix clang

Author: hathach

src/arduino/msc/Adafruit_USBD_MSC.h

@@ -85,6 +85,7 @@ class Adafruit_USBD_MSC : public Adafruit_USBD_Interface {
   // from Adafruit_USBD_Interface
   virtual uint16_t getInterfaceDescriptor(uint8_t itfnum_deprecated,
                                           uint8_t *buf, uint16_t bufsize);
+
 private:
   enum { MAX_LUN = 2 }; // TODO make it configurable
   struct {

src/arduino/webusb/Adafruit_USBD_WebUSB.h

@@ -67,6 +67,7 @@ class Adafruit_USBD_WebUSB : public Stream, public Adafruit_USBD_Interface {
   // from Adafruit_USBD_Interface
   virtual uint16_t getInterfaceDescriptor(uint8_t itfnum_deprecated,
                                           uint8_t *buf, uint16_t bufsize);
+
 private:
   bool _connected;
   const uint8_t *_url;