[Bug 31482] New: VariantChangeTypeEx crashes when trying to convert VT_BSTR to VT_UI1|VT_ARRAY

http://bugs.winehq.org/show_bug.cgi?id=31482

Bug #: 31482
           Summary: VariantChangeTypeEx crashes when trying to convert
                    VT_BSTR to VT_UI1|VT_ARRAY
           Product: Wine
           Version: 1.5.10
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: oleaut32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

Created attachment 41384
  --> http://bugs.winehq.org/attachment.cgi?id=41384
A test

When an empty BSTR is passed to VariantChangeTypeEx it causes a crash when
attempting to convert the data.

See attached patch for a test case.