Fixed error receiving PIMA events via the Still Image Host class driver.

LUFA/DoxygenPages/ChangeLog.txt

@@ -43,6 +43,7 @@
   *   - Fixed incorrect USB device state set when a suspended LUFA device is woken while addressed but not configured (thanks to Balaji Krishnan)
   *   - Fixed broken USART SPI driver for the AVR8 architecture due to incorrect initialization
   *   - Fixed re-enumeration issue of XMEGA architecture targets (thanks to Jaroslav Jedlinsky)
+  *   - Fixed error receiving PIMA events via the Still Image Host class driver
   *  - Library Applications:
   *   - Added handler for SCSI_CMD_START_STOP_UNIT in demos using the Mass Storage class, to prevent ejection errors on *nix systems due to an
   *     unknown SCSI command

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

@@ -302,7 +302,7 @@ bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
 	Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipe.Address);
 	Pipe_Unfreeze();
 
-	if (Pipe_BytesInPipe())
+	if (Pipe_IsINReceived())
 	  IsEventReceived = true;
 
 	Pipe_Freeze();