[PATCH resend] msctf: Clear the corresponding DocumentMgr pointers for Associated Focus Windows on destruction.

[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=63240

Your paranoid android.


=== w864 (task log) ===

Task errors:
The task timed out

=== w1064v1809_ja (32 bit report) ===

msctf:
inputprocessor.c:2380: Test failed: OnSetFocus expected current focus 008C67A0 got 00000000
inputprocessor.c:594: Test failed: Unexpected ThreadMgrEventSink_OnPopContext sink

=== w1064v1809_zh_CN (32 bit report) ===

msctf:
inputprocessor.c:263: Test failed: Unexpected TextStoreACP_RequestLock sink