mshtml: Initialize output value before passing it to VariantCopy.

[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=13368

Your paranoid android.


=== wvistau64 (32 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue

=== w2008s64 (32 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue

=== w7u (32 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue

=== w8 (32 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue

=== wvistau64 (64 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue

=== w2008s64 (64 bit events) ===
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue
events.c:1083: Test failed: get_returnValue failed: 80020008
events.c:1084: Test failed: unexpected returnValue