minimize some #includes and replace with forward decls

[supertux.git] / src / tile_manager.cpp

diff --git a/src/tile_manager.cpp b/src/tile_manager.cpp
index df1f90d..cba2a81 100644 (file)
--- a/src/tile_manager.cpp
+++ b/src/tile_manager.cpp
@@ -24,7 +24,7 @@
 #include <stdexcept>
 #include <sstream>
 #include <iostream>
-#include <assert.h>
+#include <cassert>
 #include <SDL.h>
 #include "video/drawing_context.hpp"
 #include "log.hpp"