cf_gen requires cstdlib for exit() definition

diff --git a/src/cf_gen.cc b/src/cf_gen.cc
index c60e983382e089be6cb208bb22333f9990b14a6f..dfac371586a4f597a7085d16103595152307b44f 100644 (file)
--- a/src/cf_gen.cc
+++ b/src/cf_gen.cc
@@ -59,6 +59,7 @@ _FILE_OFFSET_BITS==64
 #include <cassert>
 #include <cctype>
 #include <cerrno>
+#include <cstdlib>
 #include <cstring>
 #include <fstream>
 #include <iostream>