some fixes for the text object

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

diff --git a/src/object/ambient_sound.cpp b/src/object/ambient_sound.cpp
index 2c8b80b..31e3f3a 100644 (file)
--- a/src/object/ambient_sound.cpp
+++ b/src/object/ambient_sound.cpp
@@ -16,9 +16,10 @@
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 //  02111-1307, USA.
-
 #include <config.h>
 
+#include <math.h>
+
 #include "ambient_sound.h"
 #include "object_factory.h"
 #include "lisp/lisp.h"