New grow and skid sounds from remaxim

[supertux.git] / src / direction.hpp

diff --git a/src/direction.hpp b/src/direction.hpp
index e665d20..f4df937 100644 (file)
--- a/src/direction.hpp
+++ b/src/direction.hpp
@@ -20,6 +20,10 @@
 #ifndef SUPERTUX_DIRECTION_H
 #define SUPERTUX_DIRECTION_H
 
+#include <iostream>
+
 enum Direction { AUTO, LEFT, RIGHT, UP, DOWN };
 
+std::ostream& operator<<(std::ostream& o, const Direction& dir);
+
 #endif