infosoft/tests: COM cleanup in infosoft.c.

[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
http://testbot.winehq.org/JobDetails.pl?Key=10605

Your paranoid android.


=== WVISTAADM (32 bit infosoft) ===
infosoft.c:185: Test failed: failed
infosoft.c:199: Test failed: failed

=== W2K8SE (32 bit infosoft) ===
infosoft.c:185: Test failed: failed
infosoft.c:199: Test failed: failed

=== W7PRO (32 bit infosoft) ===
infosoft.c:185: Test failed: failed
infosoft.c:199: Test failed: failed

=== W7PROX64 (32 bit infosoft) ===
infosoft.c:185: Test failed: failed
infosoft.c:199: Test failed: failed

=== W7PROX64 (64 bit infosoft) ===
infosoft.c:185: Test failed: failed
infosoft.c:199: Test failed: failed