cf_gen requires cstdlib

diff --git a/src/cf_gen.cc b/src/cf_gen.cc
index adbafa64144c8715cd3c65b34ae522edf15838cc..c0a75b595cb4a4c2f8ceb6a2e67757fbc5bbfec8 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>