Updated imported headers to current Wine version.

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64/trunk@5659 4407c894-4637-0410-b4f5-ada5f102cad1
Remove old empty idl directory

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64/trunk@5661 4407c894-4637-0410-b4f5-ada5f102cad1
Rename to fit standard naming

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64/trunk@5662 4407c894-4637-0410-b4f5-ada5f102cad1