[Bug 36421] valgrind shows some leaks in oledb32/tests/database.c

https://bugs.winehq.org/show_bug.cgi?id=36421

--- Comment #1 from Alistair Leslie-Hughes  ---
dll/oledb32/datainit.c
datainit_GetDataSource
...
hr = IDBProperties_SetProperties(dbprops, 1, propset);

SetProperties fails here and hr is returned with an error code. The memory then
isn't cleaned up in the calling function.

Thanks Nikolay for the analysis.