--- cairo-dock-plugins-3.1.2.orig/alsaMixer/src/applet-struct.h	2012-11-05 16:20:07.000000000 +0000
+++ cairo-dock-plugins-3.1.2/alsaMixer/src/applet-struct.h	2013-02-22 10:21:00.022573249 +0000
@@ -20,6 +20,8 @@
 #ifndef __CD_APPLET_STRUCT__
 #define  __CD_APPLET_STRUCT__
 
+#include <sys/types.h>
+
 #include <alsa/asoundlib.h>
 #define _STRUCT_TIMEVAL
 #include <cairo-dock.h>