From 3f6c35c6f38e6bc2c6f1ea52ac4d3aad8d0f37e6 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Wed, 27 Nov 2013 20:10:45 -0800
Subject: [PATCH] EstimateBestFilter: use an int to iterate WEBP_FILTER_TYPE

this change allows the code to be built with a C++ compiler without the
addition of an operator++

Change-Id: I2f2fae720b9772abfc3c540bb2e3bf9107d96cc9
---
 src/utils/filters.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/utils/filters.c b/src/utils/filters.c
index 511457ec..be7da8c0 100644
--- a/src/utils/filters.c
+++ b/src/utils/filters.c
@@ -228,7 +228,8 @@ WEBP_FILTER_TYPE EstimateBestFilter(const uint8_t* data,
     }
   }
   {
-    WEBP_FILTER_TYPE filter, best_filter = WEBP_FILTER_NONE;
+    int filter;
+    WEBP_FILTER_TYPE best_filter = WEBP_FILTER_NONE;
     int best_score = 0x7fffffff;
     for (filter = WEBP_FILTER_NONE; filter < WEBP_FILTER_LAST; ++filter) {
       int score = 0;
@@ -239,7 +240,7 @@ WEBP_FILTER_TYPE EstimateBestFilter(const uint8_t* data,
       }
       if (score < best_score) {
         best_score = score;
-        best_filter = filter;
+        best_filter = (WEBP_FILTER_TYPE)filter;
       }
     }
     return best_filter;