changes for MPW
diff --git a/Modules/audioop.c b/Modules/audioop.c
index f866e98..899bbc6 100644
--- a/Modules/audioop.c
+++ b/Modules/audioop.c
@@ -35,7 +35,7 @@
 #endif
 #endif
 
-#include <math.h>
+#include "mymath.h"
 
 /* Code shamelessly stolen from sox,
 ** (c) Craig Reese, Joe Campbell and Jeff Poskanzer 1989 */