Fix non-MSVS compilation of webview_ie.cpp.

Use wxCRT_StricmpW instead of the Visual C++ specific _wcsicmp.

See #14382.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76758 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fixes for building wxMSW under Cygwin.

Replace a few __WXMSW__ tests with __WINDOWS__ as the former is not
defined any longer (since r73290) when compiling with wxUSE_GUI set to 0.

Tested changes with both wxGTK and wxMSW builds under Cygwin.

Closes #14382.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76759 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775