apply patch https://savannah.cern.ch/patch/index.php?5367

Fix nonsensical message "FUNCTION MUST BE MINIMIZED BEFORE CALLING MIGRAD"  when running MINOS


git-svn-id: https://root.cern.ch/svn/root/trunk@49202 27541ba8-7e3a-0410-8455-c3a389f83636
apply patch https://savannah.cern.ch/patch/index.php?5368

Fix spurious line breaks in TMinuit::mnplot()


git-svn-id: https://root.cern.ch/svn/root/trunk@49204 27541ba8-7e3a-0410-8455-c3a389f83636