Index: trunk/src_plugins/import_sch/import_sch.c
===================================================================
--- trunk/src_plugins/import_sch/import_sch.c	(revision 30003)
+++ trunk/src_plugins/import_sch/import_sch.c	(revision 30004)
@@ -34,6 +34,8 @@
 #include "config.h"
 #include "conf_core.h"
 
+#include <unistd.h>
+
 #include "board.h"
 #include "data.h"
 #include "change.h"