shell32: Added stub IPropertyStore for a shell link object

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=10846

Your paranoid android.


=== wxppro (32 bit shelllink) ===
shelllink.c:1170: Test failed: got 0x80004002
shelllink: unhandled exception c0000005 at 0041529E