[PATCH] cmd: Do not change errorlevel when setting environment variables

[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=91481

Your paranoid android.


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

cmd.exe:
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 448 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 452 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 454 (got '1', wanted '0')

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

cmd.exe:
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 448 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 452 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 454 (got '1', wanted '0')

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

cmd.exe:
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 448 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 452 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 454 (got '1', wanted '0')

=== debiant2 (64 bit WoW report) ===

cmd.exe:
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 448 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 452 (got '1', wanted '0')
batch.c:321: Test failed: unexpected char 0x31 position 0 in line 454 (got '1', wanted '0')