Fix WTInfoA in wintab.c so it can now take lpOutput == NULL, as per
[wine] / dlls / x11drv / xdnd.c
2003-12-04  Alexandre JulliardPortability fixes.
2003-11-21  Alexandre JulliardRemoved the remaining TSX calls.
2003-11-20  Ulrich CzekallaInitial implementation to support XDND protocol.