From 4510c77d55dd50edaccae860626581954f6acfe4 Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Thu, 1 Mar 2018 10:56:55 +0100
Subject: [PATCH] fix compiler warning

```include/mapnik/text/symbolizer_helpers.hpp:164:45: warning: template template parameter using 'typename' is a C++17 extension
      [-Wc++17-extensions]
    template <template <typename, typename> typename GridAdapter>
                                            ^~~~~~~~
                                            class
```
---
 include/mapnik/text/symbolizer_helpers.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mapnik/text/symbolizer_helpers.hpp b/include/mapnik/text/symbolizer_helpers.hpp
index 92257308a..d10278621 100644
--- a/include/mapnik/text/symbolizer_helpers.hpp
+++ b/include/mapnik/text/symbolizer_helpers.hpp
@@ -155,7 +155,7 @@ public:
 protected:
     void init_converters();
     void initialize_points() const;
-    template <template <typename, typename> typename GridAdapter>
+    template <template <typename, typename> class GridAdapter>
     void initialize_grid_points() const;
     bool next_point_placement() const;
     bool next_line_placement() const;