--- src/wavio.cpp.new	2012-08-01 06:34:43.000000000 +0000
+++ src/wavio.cpp	2012-08-01 06:36:05.000000000 +0000
@@ -30,6 +30,8 @@
  ***************************************************************************/
 
 #include "wavio.h"
+#include <sys/types.h>
+#include <unistd.h>
 #include "global.h"
 #include <qfiledialog.h>
 #include "configparams.h"