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-rw-r--r--src/mongo/db/pipeline/accumulator_push.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mongo/db/pipeline/accumulator_push.cpp b/src/mongo/db/pipeline/accumulator_push.cpp
index f2a62792252..b474acc940d 100644
--- a/src/mongo/db/pipeline/accumulator_push.cpp
+++ b/src/mongo/db/pipeline/accumulator_push.cpp
@@ -38,6 +38,7 @@
namespace mongo {
using boost::intrusive_ptr;
+ using std::vector;
void AccumulatorPush::processInternal(const Value& input, bool merging) {
if (!merging) {