ignore++

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64/trunk@5732 4407c894-4637-0410-b4f5-ada5f102cad1
remove warnings

git-svn-id: https://mingw-w64.svn.sourceforge.net/svnroot/mingw-w64/trunk@5733 4407c894-4637-0410-b4f5-ada5f102cad1