--- exempi/tests/test2.cpp.orig	Tue Apr 22 18:44:54 2008
+++ exempi/tests/test2.cpp	Tue Apr 22 18:45:04 2008
@@ -37,6 +37,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 #include <sys/stat.h>
 
 #include <string>