Reapply fix for EXPORT_C problem in backend.dll, which got lost in the merge - bug 2971
EXPORTS ?StartServer@RWin32Stream@@SAXXZ @1 NONAME
EXPORTS ?Open@RWin32Stream@@QAEHH@Z @2 NONAME
EXPORTS ?Read@RWin32Stream@@QAEXAAVTRequestStatus@@AAVTDes8@@@Z @3 NONAME
EXPORTS ?Read@RWin32Stream@@QAEXAAVTRequestStatus@@AAVTDes8@@H@Z @4 NONAME
EXPORTS ?Write@RWin32Stream@@QAEXAAVTRequestStatus@@ABVTDesC8@@@Z @5 NONAME
EXPORTS ?Write@RWin32Stream@@QAEXAAVTRequestStatus@@ABVTDesC8@@H@Z @6 NONAME
EXPORTS ?Flush@RWin32Stream@@QAEXAAVTRequestStatus@@@Z @7 NONAME