[PATCH 6/6] msdasql: Fix use after free (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=101385

Your paranoid android.


=== w7u_2qxl (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w7u_adm (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w7u_el (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w8 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w8adm (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w864 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w1064v1507 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w1064v1809 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w1064 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w1064_tsign (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000

=== w10pro64 (32 bit report) ===

msdasql:
provider.c:420: Test failed: got 0x00000000