Fix --upcoming to use osg-next upcoming target
Fix --upcoming to use osg-next upcoming target

git-svn-id: 5d1f1c9baa0fd0d862d807d21f1bf5f84b97d2b3@17715 4e558342-562e-0410-864c-e07659590f8c

matyasselmeci/osg-build,opensciencegrid/osg-build,opensciencegrid/osg-build,matyasselmeci/osg-build