From bd8446d875df77848b010b1c68aac00347bf418b Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@dbsgeo.com>
Date: Mon, 9 Apr 2012 14:07:18 -0700
Subject: [PATCH] forward compatibility with mapnik >= 2.1.x header name

---
 include/mapnik/expression.hpp | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 include/mapnik/expression.hpp

diff --git a/include/mapnik/expression.hpp b/include/mapnik/expression.hpp
new file mode 100644
index 000000000..f8c84eab6
--- /dev/null
+++ b/include/mapnik/expression.hpp
@@ -0,0 +1 @@
+#include <mapnik/filter_factory.hpp>