add string to box2d which is required by msvc

This commit is contained in:
Mathis Logemann 2020-11-20 19:04:30 +01:00
parent 945e57286b
commit f6b7bc0867

View file

@ -33,6 +33,9 @@ MAPNIK_DISABLE_WARNING_PUSH
#include <boost/operators.hpp>
MAPNIK_DISABLE_WARNING_POP
// stl
#include <string>
// agg
// forward declare so that apps using mapnik do not need agg headers
namespace agg {