Add wtypebase.idl as factored-out part of wtypes.idl


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6040 4407c894-4637-0410-b4f5-ada5f102cad1
Fix bug about BOOL/WINBOOL


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6041 4407c894-4637-0410-b4f5-ada5f102cad1
Factor out base part of unknwn.idl


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6042 4407c894-4637-0410-b4f5-ada5f102cad1
Factor out of objidl.idl the base part


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6043 4407c894-4637-0410-b4f5-ada5f102cad1