Get rid of dozens of fortran warnings ...


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@647 694ef91d-65df-0310-b7bb-92e67a308ead
one less FIXME: nlrob(*, "plinear") now works

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@648 694ef91d-65df-0310-b7bb-92e67a308ead