Update INSTALL to tell users to do CMAKE_BUILD_TYPE=DEBUG rather that DEBUG=ON
[supertux.git] / src / sprite / sprite_manager.hpp
index 7b5c1e4..544ee9f 100644 (file)
@@ -21,6 +21,7 @@
 #define SUPERTUX_SPRITE_MANAGER_H
 
 #include <map>
+#include <string>
 
 class SpriteData;
 class Sprite;