Update libvpx snapshot to v0.9.7-p1 (Cayuga).

include/vpx/vp8e.h

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 
 /* This file contains backwards compatibility stubs for applications using
  * the VP8 version 1.0 API.
  */
 #ifndef VP8E_H
 #define VP8E_H
-#include "vpx/vpx_codec_impl_top.h"
+#include "vpx_codec_impl_top.h"
 
 #if defined(VPX_CODEC_DISABLE_COMPAT) && VPX_CODEC_DISABLE_COMPAT
 #error "Backwards compatibility disabled: don't include vp8e.h"
 #endif
 
 #include "vp8cx.h"
 DECLSPEC_DEPRECATED extern vpx_codec_iface_t vpx_enc_vp8_algo DEPRECATED;
 
 
 enum
@@ skipping 24 matching lines @@
 /* Frame type is set with a flag to vpx_codec_control. See VPX_EFLAG_FORCE_KF
  */
 VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_SET_FRAMETYPE,          int)
 
 
 /* This control has been deprecated in favor of the duration parameter to
  * vpx_codec_encode(). Use the #VPX_DL_REALTIME, #VPX_DL_GOOD_QUALITY,
  * #VPX_DL_BEST_QUALITY constants to that parameter instead.
  */
 VPX_CTRL_USE_TYPE_DEPRECATED(VP8E_SET_ENCODING_MODE, vp8e_encoding_mode)
-#include "vpx/vpx_codec_impl_bottom.h"
+#include "vpx_codec_impl_bottom.h"
 #endif