avrfsdk.h: Another typo.

git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6151 4407c894-4637-0410-b4f5-ada5f102cad1
winternl.h: Removed duplicated THREAD_INFORMATION_CLASS declaration.

git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6152 4407c894-4637-0410-b4f5-ada5f102cad1