--- verlihub-0.9.8e-r2/src/stringutils.cpp.orig	2012-09-23 21:58:28.983096769 +0700
+++ verlihub-0.9.8e-r2/src/stringutils.cpp	2012-09-23 21:58:52.625861765 +0700
@@ -36,6 +36,7 @@
 #include <stdlib.h>
 #include <algorithm>
 #include <ctype.h>
+#include <unistd.h>
 
 namespace nStringUtils
 {