Index: src/libchcore/ITimestampProvider.h
===================================================================
diff -u -N -r9b8cccbee0fcfeca28a112cc0253a7641f73f74f -rc8e73b75027d5e17fb8b1e1eb40e64f40fc62547
--- src/libchcore/ITimestampProvider.h	(.../ITimestampProvider.h)	(revision 9b8cccbee0fcfeca28a112cc0253a7641f73f74f)
+++ src/libchcore/ITimestampProvider.h	(.../ITimestampProvider.h)	(revision c8e73b75027d5e17fb8b1e1eb40e64f40fc62547)
@@ -19,9 +19,11 @@
 #ifndef __ITIMESTAMPPROVIDER_H__
 #define __ITIMESTAMPPROVIDER_H__
 
+#include "libchcore.h"
+
 BEGIN_CHCORE_NAMESPACE
 
-class ITimestampProvider
+class LIBCHCORE_API ITimestampProvider
 {
 public:
 	virtual ~ITimestampProvider() {}