From f32b4234282073fabb0dcbb80fa0ba685ab2a305 Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Fri, 25 Nov 2016 17:59:44 +0100
Subject: [PATCH] attempting to keep clang on Travis happy

---
 include/mapnik/json/unicode_string_grammar_x3_def.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/mapnik/json/unicode_string_grammar_x3_def.hpp b/include/mapnik/json/unicode_string_grammar_x3_def.hpp
index c1f6a39c0..1e3d0094e 100644
--- a/include/mapnik/json/unicode_string_grammar_x3_def.hpp
+++ b/include/mapnik/json/unicode_string_grammar_x3_def.hpp
@@ -83,8 +83,8 @@ using x3::hex;
 using x3::eol;
 using x3::no_skip;
 
-x3::uint_parser<uchar, 16, 4, 4> const hex4;
-x3::uint_parser<uchar, 16, 8, 8> const hex8;
+x3::uint_parser<uchar, 16, 4, 4> const hex4 {};
+x3::uint_parser<uchar, 16, 8, 8> const hex8 {};
 
 // start rule
 unicode_string_grammar_type const unicode_string("Unicode String");