$OpenBSD: patch-test_unit_tests_merge_3way_cc,v 1.1 2017/03/13 01:53:19 bluhm Exp $
--- test/unit/tests/merge_3way.cc.orig	Sun May  4 11:15:25 2014
+++ test/unit/tests/merge_3way.cc	Mon Mar 13 01:40:08 2017
@@ -17,6 +17,8 @@
 #include "../randomfile.hh"
 #include "../../../src/simplestring_xform.hh"
 
+#include <iostream>
+
 using std::cerr;
 using std::cout;
 using std::stringstream;
