Remove unused variables to avoid compilation warnings.

Don't call CFGetRetainCount() unnecessarily.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76536 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Work around bogus "use of possibly uninitialized variable" warning.

Resolution::m_x and m_y were always initialized before use but g++ 4.2 still
complained about them being possibly not initialized, so do initialize them.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76537 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix image resolution options setting in wxBMPHandler code.

This was broken by the changes of r76144 as the resolution information read
from the bitmap was never used due to a typo in Resolution::Init().

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76538 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix drawing test link in static build.

We must use wx_append template which adds the required GUI libraries when
using static versions of wxWidgets libraries and not wx_append_base.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76539 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Remove remaining MSVC6 workspace files.

See #15726.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76540 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775