libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_implicit_segmentation.c

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 15 matching lines @@
   struct list_el *next;
 };
 typedef struct list_el item;
 
 // connected colorsegments
 typedef struct {
   int min_x;
   int min_y;
   int max_x;
   int max_y;
-  long long sum_x;
-  long long sum_y;
+  int64_t sum_x;
+  int64_t sum_y;
   int pixels;
   int seg_value;
   int label;
 } segment_info;
 
 
 typedef enum {
   SEGMENT_MODE,
   SEGMENT_MV,
   SEGMENT_REFFRAME,
@@ skipping 198 matching lines @@
         printf("%4d:%4d", mi[mb_index].mbmi.mv[0].as_mv.row,
             mi[mb_index].mbmi.mv[0].as_mv.col);
       }
       printf("\n");
       ++mb_index;
     }
     printf("\n");
   }
 }