Replaced more lisp::Lisp/lisp::Writer with Reader/Writer

[supertux.git] / src / object / pushbutton.cpp

diff --git a/src/object/pushbutton.cpp b/src/object/pushbutton.cpp
index 5488de3..027274f 100644 (file)
--- a/src/object/pushbutton.cpp
+++ b/src/object/pushbutton.cpp
@@ -20,6 +20,7 @@
 #include "sprite/sprite.hpp"
 #include "supertux/object_factory.hpp"
 #include "supertux/sector.hpp"
+#include "util/reader.hpp"
 
 namespace {
 const std::string BUTTON_SOUND = "sounds/switch.ogg";