[PATCH] httpapi: Add stub for HttpCloseServerSession

[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=47399

Your paranoid android.


=== debian9 (32 bit report) ===

httpapi:
httpapi.c:95: Test failed: Unexpected return value 5.
httpapi.c:100: Test failed: Unexpected return value 5.
httpapi.c:105: Test failed: Unexpected return value 5.
httpapi.c:110: Test failed: Unexpected return value 5.
httpapi.c:112: Test failed: Unexpected return value 87.
httpapi.c:117: Test failed: Unexpected return value 5.
httpapi.c:119: Test failed: Unexpected return value 87.

=== debian9 (32 bit Chinese:China report) ===

httpapi:
httpapi.c:95: Test failed: Unexpected return value 5.
httpapi.c:100: Test failed: Unexpected return value 5.
httpapi.c:105: Test failed: Unexpected return value 5.
httpapi.c:110: Test failed: Unexpected return value 5.
httpapi.c:112: Test failed: Unexpected return value 87.
httpapi.c:117: Test failed: Unexpected return value 5.
httpapi.c:119: Test failed: Unexpected return value 87.

=== debian9 (32 bit WoW report) ===

httpapi:
httpapi.c:95: Test failed: Unexpected return value 5.
httpapi.c:100: Test failed: Unexpected return value 5.
httpapi.c:105: Test failed: Unexpected return value 5.
httpapi.c:110: Test failed: Unexpected return value 5.
httpapi.c:112: Test failed: Unexpected return value 87.
httpapi.c:117: Test failed: Unexpected return value 5.
httpapi.c:119: Test failed: Unexpected return value 87.

=== debian9 (64 bit WoW report) ===

httpapi:
httpapi.c:95: Test failed: Unexpected return value 5.
httpapi.c:100: Test failed: Unexpected return value 5.
httpapi.c:105: Test failed: Unexpected return value 5.
httpapi.c:110: Test failed: Unexpected return value 5.
httpapi.c:112: Test failed: Unexpected return value 87.
httpapi.c:117: Test failed: Unexpected return value 5.
httpapi.c:119: Test failed: Unexpected return value 87.