Get rid of dozens of fortran warnings:
  Obsolescent feature: DO termination statement which is not END DO or CONTINUE with label 100 at (1)


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@645 694ef91d-65df-0310-b7bb-92e67a308ead
nlrob(*, weights); fixing r-forge bug #5988

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robustbase@646 694ef91d-65df-0310-b7bb-92e67a308ead