diff --git a/contrib/extractor/System.cpp b/contrib/extractor/System.cpp
index 85d06369f..3c3191727 100644
--- a/contrib/extractor/System.cpp
+++ b/contrib/extractor/System.cpp
@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <deque>
 #include <set>
+#include <cstdlib>
 
 #ifdef WIN32
 #include "direct.h"
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 047249f13..7440a4bda 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "7152"
+ #define REVISION_NR "7153"
 #endif // __REVISION_NR_H__