Fix false fix in interlockedapi.h ... 


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6130 4407c894-4637-0410-b4f5-ada5f102cad1
Add new header for shell-api's error-constants


git-svn-id: svn://svn.code.sf.net/p/mingw-w64/code/trunk@6131 4407c894-4637-0410-b4f5-ada5f102cad1