Need to include unistd.h

diff --git a/vm/master.hpp b/vm/master.hpp
index 6409d654944cd6ac8930a7b3b112812c71d0b952..6164c9ea308bdcc029eae59c741c2072edf5b9d2 100755 (executable)
--- a/vm/master.hpp
+++ b/vm/master.hpp
@@ -19,6 +19,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h>
 #include <sys/param.h>
 
 /* C++ headers */