1 files changed, 5 insertions, 4 deletions
diff --git a/cpp/src/qpid/broker/DtxBuffer.h b/cpp/src/qpid/broker/DtxBuffer.h
index b302632037..1511cb032f 100644
--- a/cpp/src/qpid/broker/DtxBuffer.h
+++ b/cpp/src/qpid/broker/DtxBuffer.h
@@ -21,7 +21,8 @@
 #ifndef _DtxBuffer_
 #define _DtxBuffer_
 
-#include "TxBuffer.h"
+#include "qpid/broker/BrokerImportExport.h"
+#include "qpid/broker/TxBuffer.h"
 #include "qpid/sys/Mutex.h"
 
 namespace qpid {
@@ -37,9 +38,9 @@ namespace qpid {
         public:
             typedef boost::shared_ptr<DtxBuffer> shared_ptr;
 
-            DtxBuffer(const std::string& xid = "");
-            ~DtxBuffer();
-            void markEnded();
+            QPID_BROKER_EXTERN DtxBuffer(const std::string& xid = "");
+            QPID_BROKER_EXTERN ~DtxBuffer();
+            QPID_BROKER_EXTERN void markEnded();
             bool isEnded();
             void setSuspended(bool suspended);
             bool isSuspended();