force loading list of global functions so we get the up to date list of
functions to check the macro against.


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48321 27541ba8-7e3a-0410-8455-c3a389f83636
merge with trunk revision 48324 (fixes in TFractionFitter for infinite loop in case of bad inputs)


git-svn-id: https://root.cern.ch/svn/root/branches/v5-34-00-patches@48327 27541ba8-7e3a-0410-8455-c3a389f83636