minimize some #includes and replace with forward decls

[supertux.git] / src / tile_manager.hpp

diff --git a/src/tile_manager.hpp b/src/tile_manager.hpp
index 64906cf..aaf8a81 100644 (file)
--- a/src/tile_manager.hpp
+++ b/src/tile_manager.hpp
@@ -28,7 +28,7 @@
 #include <map>
 #include <iostream>
 #include <stdint.h>
-#include <assert.h>
+#include <cassert>
 #include "log.hpp"
 #include "tile.hpp"