Add stubs for WinStationCanLogonProceed() and _WinStationOpenSessionDirectory() functions to make winlogon from Windows Server 2003 happy.
CORE-15392 CORE-16458
Add export for WinStationRedirectErrorMessage() function in Winsta. We already have a stub for this function in dll/win32/winsta/logon.c, but for some reason it is not exported.
Required by MS Winlogon with Win32SS and some other needed dlls replaced. Now it fails due to missing WinStationCanLogonProceed, for which we currently haven't a stub.
This function has been introduced with Win2k3 SP1 (and exists in SP2 as well), see http://blog.airesoft.co.uk/apichanges/changes-Server2003%20SP0-To-Server2003%20SP1.xml#winsta.dll
JIRA issue: CORE-16458
There is no need to compile our DLLs as shared libraries since we are
managing symbols exports and imports through spec files.
On my system, this reduces the configure-time by a factor of two.