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-rw-r--r--searchcore/src/vespa/searchcore/proton/reference/gid_to_lid_change_listener.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/searchcore/src/vespa/searchcore/proton/reference/gid_to_lid_change_listener.cpp b/searchcore/src/vespa/searchcore/proton/reference/gid_to_lid_change_listener.cpp
index c7e716b4173..427cbab2a14 100644
--- a/searchcore/src/vespa/searchcore/proton/reference/gid_to_lid_change_listener.cpp
+++ b/searchcore/src/vespa/searchcore/proton/reference/gid_to_lid_change_listener.cpp
@@ -3,6 +3,8 @@
#include "gid_to_lid_change_listener.h"
#include <future>
+using vespalib::RetainGuard;
+
namespace proton {
GidToLidChangeListener::GidToLidChangeListener(vespalib::ISequencedTaskExecutor &attributeFieldWriter,