[v2 PATCH] d3d11: Fix freed memory access when releasing device context (Coverity).

[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=92109

Your paranoid android.


=== debiant2 (32 bit report) ===

d3d11:
d3d11.c:9766: Test failed: d3d11.c:15246: Test marked todo: Got hr 0 for WRITE_DISCARD.

=== debiant2 (32 bit Chinese:China report) ===

d3d11:
d3d11.c:16624: Test failed: d3d11.c:16407: Test marked todo: Got 0xdeadbeef, expected 0xff000000 or 0xff000000 at 0, uvec4 0, 0, 0, 0xffffffff.