From 896f05aea6c380167be839b844adcc5cfd07cab0 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Fri, 14 Nov 2014 14:20:33 -0800
Subject: [PATCH] Use gzip tile compression to match current tile server

---
 tile.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tile.cc b/tile.cc
index cb0bcabc..7646dd09 100644
--- a/tile.cc
+++ b/tile.cc
@@ -35,7 +35,7 @@ static inline int compress(std::string const& input, std::string& output) {
 	deflate_s.opaque = Z_NULL;
 	deflate_s.avail_in = 0;
 	deflate_s.next_in = Z_NULL;
-	deflateInit(&deflate_s, Z_DEFAULT_COMPRESSION);
+	deflateInit2(&deflate_s, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, Z_DEFAULT_STRATEGY);
 	deflate_s.next_in = (Bytef *)input.data();
 	deflate_s.avail_in = input.size();
 	size_t length = 0;