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-rw-r--r--qpid/cpp/src/qpid/broker/MessageGroupManager.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/qpid/cpp/src/qpid/broker/MessageGroupManager.h b/qpid/cpp/src/qpid/broker/MessageGroupManager.h
index 66c3d9ab5d..340ebbc56a 100644
--- a/qpid/cpp/src/qpid/broker/MessageGroupManager.h
+++ b/qpid/cpp/src/qpid/broker/MessageGroupManager.h
@@ -52,7 +52,7 @@ class MessageGroupManager : public StatefulQueueObserver, public MessageDistribu
bool acquired;
MessageState() : acquired(false) {}
MessageState(const qpid::framing::SequenceNumber& p) : position(p), acquired(false) {}
- bool operator<(const MessageState& b) { return position < b.position; }
+ bool operator<(const MessageState& b) const { return position < b.position; }
};
typedef std::deque<MessageState> MessageFifo;