tagged r6581 as release v1.0.9

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6585 4407c894-4637-0410-b4f5-ada5f102cad1
tagged r6584 as release v2.0.9

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6586 4407c894-4637-0410-b4f5-ada5f102cad1
sanitize whitespace. fix a typo in license notice.

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6587 4407c894-4637-0410-b4f5-ada5f102cad1
shobjidl.h: don't expose (Set|Get)ContractDelegateWindow for Store Apps

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6588 4407c894-4637-0410-b4f5-ada5f102cad1
shobjidl.h: Regenerated.

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6589 4407c894-4637-0410-b4f5-ada5f102cad1
Fix C++ issue about type-checking.  const and none-const variants were treated
incompatible, which is of course not true here.



git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6590 4407c894-4637-0410-b4f5-ada5f102cad1
Add new testcase for c++'s math-macro expansion and type-compatibility


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6591 4407c894-4637-0410-b4f5-ada5f102cad1
Add more general fix for the const/none-const type compatibility-check issue


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6592 4407c894-4637-0410-b4f5-ada5f102cad1