[PATCH v2] winex11.drv: Preserve last error in x11drv_thread_data().

[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=34138

Your paranoid android.


=== wvistau64 (32 bit input) ===
input.c:1940: Test failed: error 998

=== w2008s64 (32 bit input) ===
input.c:1940: Test failed: error 998

=== w7u (32 bit input) ===
input.c:1940: Test failed: error 998

=== w7pro64 (32 bit input) ===
input.c:1940: Test failed: error 998

=== w8 (32 bit input) ===
input.c:1940: Test failed: error 998

=== w864 (32 bit input) ===
input.c:1940: Test failed: error 998

=== w1064 (32 bit input) ===
input.c:1940: Test failed: error 998

=== wvistau64 (64 bit input) ===
input.c:1940: Test failed: error 998

=== w2008s64 (64 bit input) ===
input.c:1940: Test failed: error 998

=== w7pro64 (64 bit input) ===
input.c:1940: Test failed: error 998

=== w864 (64 bit input) ===
input.c:1940: Test failed: error 998

=== w1064 (64 bit input) ===
input.c:1940: Test failed: error 998