include <string> as it is needed

2014-06-05 18:29:22 +02:00
parent bc063ded7a
commit fa0c5db18c
1 changed files with 1 additions and 0 deletions
@@ -30,6 +30,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 #include <functional>
 #include <iosfwd> //for std::ostream
+#include <string>

 constexpr float COORDINATE_PRECISION = 1000000.;