Change libmtp to include libusb from the right location.

src/libusb-glue.h

 /**
  * \file libusb-glue.h
  * Low-level USB interface glue towards libusb.
  *
  * Copyright (C) 2005-2007 Richard A. Low <richard@wentnet.com>
  * Copyright (C) 2005-2012 Linus Walleij <triad@df.lth.se>
  * Copyright (C) 2006-2011 Marcus Meissner
  * Copyright (C) 2007 Ted Bullock
  * Copyright (C) 2008 Chris Bagwell <chris@cnpbagwell.com>
  *
@@ skipping 14 matching lines @@
  *
  * Created by Richard Low on 24/12/2005.
  * Modified by Linus Walleij
  *
  */
 #ifndef LIBUSB_GLUE_H
 #define LIBUSB_GLUE_H
 
 #include "ptp.h"
 #ifdef HAVE_LIBUSB1
-#include <libusb-1.0/libusb.h>
+#include "libusb.h"
 #endif
 #ifdef HAVE_LIBUSB0
 #include <usb.h>
 #endif
 #ifdef HAVE_LIBOPENUSB
 #include <openusb.h>
 #endif
 #include "libmtp.h"
 #include "device-flags.h"
 
@@ skipping 128 matching lines @@
 /* connect_first_device return codes */
 #define PTP_CD_RC_CONNECTED     0
 #define PTP_CD_RC_NO_DEVICES    1
 #define PTP_CD_RC_ERROR_CONNECTING      2
 
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
 
 #endif //  LIBUSB-GLUE_H