[PATCH] ole32: Obtain stream size regardless of current position

[Marvin]

Hi,

While running your changed tests, 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=59568

Your paranoid android.


=== debian10 (32 bit report) ===

ole32:
clipboard.c:841: Test failed: expected 14 got 0
Unhandled exception: page fault on read access to 0x00000000 in 32-bit code (0x00402419).

Report errors:
ole32:clipboard crashed (c0000005)

=== debian10 (32 bit Chinese:China report) ===

ole32:
clipboard.c:841: Test failed: expected 14 got 0
Unhandled exception: page fault on read access to 0x00000000 in 32-bit code (0x00402419).

Report errors:
ole32:clipboard crashed (c0000005)

=== debian10 (32 bit WoW report) ===

ole32:
clipboard.c:841: Test failed: expected 14 got 0
Unhandled exception: page fault on read access to 0x00000000 in 32-bit code (0x00402419).

Report errors:
ole32:clipboard crashed (c0000005)

=== debian10 (64 bit WoW report) ===

ole32:
clipboard.c:841: Test failed: expected 14 got 0
Unhandled exception: page fault on read access to 0x00000000 in 32-bit code (0x00402419).

Report errors:
ole32:clipboard crashed (c0000005)