Make it compile with 4.6.1.
[supertux.git] / src / supertux / screen_manager.hpp
index 0751365..d885443 100644 (file)
@@ -18,6 +18,7 @@
 #define HEADER_SUPERTUX_SUPERTUX_MAINLOOP_HPP
 
 #include <memory>
+#include <cstddef>
 
 #include "scripting/thread_queue.hpp"