Add iosenum for arm3


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48835 27541ba8-7e3a-0410-8455-c3a389f83636
forgot include file


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48836 27541ba8-7e3a-0410-8455-c3a389f83636
  o RooGlobalFunc

    - Add new named argument MultiArg() that is a container
      of up to 8 other arguments that will be recursively
      processed

  o RooCmdConfig

    - Make 'MultiArg' special - it is always accepted as
      argument by the processor


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48837 27541ba8-7e3a-0410-8455-c3a389f83636