add required include

2016-02-24 12:09:33 +01:00 · 2016-02-24 12:09:33 +01:00 · 7ab4d9ad0b
commit 7ab4d9ad0b
parent 5535aa292f
1 changed files with 2 additions and 0 deletions
--- a/include/mapnik/expression_node.hpp
+++ b/include/mapnik/expression_node.hpp
@ -31,6 +31,8 @@
 #include <mapnik/attribute.hpp>
 #include <mapnik/function_call.hpp>
 #include <mapnik/expression_node_types.hpp>
+// stl
+#include <memory>

 namespace mapnik
 {