[PATCH] dplayx: Copy the correct Short name variable.

[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=58070

Your paranoid android.


=== debian10 (build log) ===

../../../wine/dlls/dplayx/dplay.c:2712:30: error: ‘union <anonymous>’ has no member named ‘lpszShortNameA’; did you mean ‘lpszLongNameA’?
Task: The win32 build failed

=== debian10 (build log) ===

../../../wine/dlls/dplayx/dplay.c:2712:30: error: ‘union <anonymous>’ has no member named ‘lpszShortNameA’; did you mean ‘lpszLongNameA’?
Task: The wow64 build failed