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--- a/src/utils/fstreewalk.cpp
+++ b/src/utils/fstreewalk.cpp
@@ -405,6 +405,9 @@
 }
 	
 #else // TEST_FSTREEWALK
+
+#include <stdio.h>
+#include <stdlib.h>
 #include <sys/stat.h>
 
 #include <iostream>