Fix _FORCENAMELESSUNION issue for unblocking release of 3.0



git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6284 4407c894-4637-0410-b4f5-ada5f102cad1
web: use two columns to display the list of projects using mingw-w64.

The list was starting to take a lot of screen space; split it over two
columns.

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6285 4407c894-4637-0410-b4f5-ada5f102cad1
web: wip v3

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6286 4407c894-4637-0410-b4f5-ada5f102cad1