libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_ppflags.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.
  */
 
-
 #ifndef VP9_COMMON_VP9_PPFLAGS_H_
 #define VP9_COMMON_VP9_PPFLAGS_H_
+
 enum {
   VP9D_NOFILTERING            = 0,
   VP9D_DEBLOCK                = 1 << 0,
   VP9D_DEMACROBLOCK           = 1 << 1,
   VP9D_ADDNOISE               = 1 << 2,
   VP9D_DEBUG_TXT_FRAME_INFO   = 1 << 3,
   VP9D_DEBUG_TXT_MBLK_MODES   = 1 << 4,
   VP9D_DEBUG_TXT_DC_DIFF      = 1 << 5,
   VP9D_DEBUG_TXT_RATE_INFO    = 1 << 6,
   VP9D_DEBUG_DRAW_MV          = 1 << 7,
   VP9D_DEBUG_CLR_BLK_MODES    = 1 << 8,
   VP9D_DEBUG_CLR_FRM_REF_BLKS = 1 << 9
 };
 
 typedef struct {
   int post_proc_flag;
   int deblocking_level;
   int noise_level;
   int display_ref_frame_flag;
   int display_mb_modes_flag;
   int display_b_modes_flag;
   int display_mv_flag;
 } vp9_ppflags_t;
 
-#endif
+#endif  // VP9_COMMON_VP9_PPFLAGS_H_