Changed all *_SendByte() function prototypes to accept a void pointer for the input buffer (thanks to Simon Küppers) instead of a uint8_t pointer.

LUFA/Drivers/USB/Class/Host/PrinterClassHost.h

@@ -200,7 +200,7 @@
 			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
-			                           void* Buffer,
+			                           const void* Buffer,
 			                           const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
 
 			/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the