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-rw-r--r--vespamalloc/src/tests/overwrite/expectsignal.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/vespamalloc/src/tests/overwrite/expectsignal.cpp b/vespamalloc/src/tests/overwrite/expectsignal.cpp
index ec1ce893d2e..e78f1b7b181 100644
--- a/vespamalloc/src/tests/overwrite/expectsignal.cpp
+++ b/vespamalloc/src/tests/overwrite/expectsignal.cpp
@@ -1,6 +1,7 @@
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/slaveproc.h>
+#include <sys/wait.h>
using namespace vespalib;