More fixes for incorrect return types/values.

LUFA/Drivers/USB/Class/Host/HIDClassHost.c

@@ -238,7 +238,7 @@ uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo
 {
 #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
 	if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
-	  return false;
+	  return PIPE_RWSTREAM_NoError;
 
 	if (HIDInterfaceInfo->State.DeviceUsesOUTPipe && (ReportType == HID_REPORT_ITEM_Out))
 	{

LUFA/Platform/XMEGA/ClockManagement.h

@@ -171,8 +171,8 @@
 			 *
 			 *  \return Boolean \c true if the internal oscillator was successfully started, \c false if invalid parameters specified.
 			 */
-			static inline uint8_t XMEGACLK_StartInternalOscillator(const uint8_t Source) ATTR_ALWAYS_INLINE;
-			static inline uint8_t XMEGACLK_StartInternalOscillator(const uint8_t Source)
+			static inline bool XMEGACLK_StartInternalOscillator(const uint8_t Source) ATTR_ALWAYS_INLINE;
+			static inline bool XMEGACLK_StartInternalOscillator(const uint8_t Source)
 			{
 				switch (Source)
 				{