2. WXDLLEXPORT was misplaced in a couple of places (hopefully my chanegs won't
break compilation for other compilers)
3. Some VC++ warnings suppressed in socket code
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1464 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775