--- libvisual-plugins-0.4.0/plugins/actor/oinksie/gfx-scope.c	2006-01-22 13:25:26.000000000 +0000
+++ libvisual-plugins-0.4.0-fix/plugins/actor/oinksie/gfx-scope.c	2007-08-31 15:57:25.000000000 +0000
@@ -21,6 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include "math.h"
 #include "common.h"
 #include "screen.h"
 #include "audio.h"