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-rw-r--r--src/test/test_snap_mapper.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/test/test_snap_mapper.cc b/src/test/test_snap_mapper.cc
index a47d2538c3a..7a9ac62defe 100644
--- a/src/test/test_snap_mapper.cc
+++ b/src/test/test_snap_mapper.cc
@@ -1,4 +1,5 @@
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+#include <iostream> // for std::cout
#include <iterator>
#include <map>
#include <set>