o RooRealMPFE

    - Fix bug in RetrieveErrors protocol leading to hanging processes when certain error messages
      occur on server-side: payload3 (string of object server values) is now truncated to 1023
      on the server side, in line with client-side expectations


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@49257 27541ba8-7e3a-0410-8455-c3a389f83636