From 3b450f14bf2be6d9b33768b3eb30de4fd1f520fd Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Thu, 11 Jun 2015 10:49:54 -0700
Subject: [PATCH] Avoid potential division by zero [coverity 54716]

---
 deps/agg/src/agg_image_filters.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deps/agg/src/agg_image_filters.cpp b/deps/agg/src/agg_image_filters.cpp
index 0f6191de9..bc3aa9719 100644
--- a/deps/agg/src/agg_image_filters.cpp
+++ b/deps/agg/src/agg_image_filters.cpp
@@ -63,7 +63,7 @@ void image_filter_lut::normalize()
 
             if(sum == image_filter_scale) break;
 
-            double k = double(image_filter_scale) / double(sum);
+            double k = (sum > 0) ? double(image_filter_scale) / double(sum) : 1;
             sum = 0;
             for(j = 0; j < m_diameter; j++)
             {