The parameter isn't automatically converted by DispCallFunc, so make
sure we pass in the correct size of memory for the function to store
its BSTR in.

strgtable needs to be an array of the same size as str, including the
nul-terminator.

This is caused by caching a pointer and reference to the data cache's
IPersistStorage interface without managing reference counts
appropriately.

ole32: Fix a typo in PropertyStorage_WritePropertyToStream that caused the wrong data to be written to the stream.

The field pClipData is a pointer to the data to be written, not the start of it.

This behavior was discovered by Huw Davies.

Make sure that mixing table columns returns the expected
data. eg:  SELECT t1.action, t2.action FROM t1, t2
should return distinct data.

Propagate tablename from 'SELECT tablename.column from tablename' queries
into VIEW_find_column(). Previously, the tablename had been dropped.