Insure that the formula that are used as indices or as argument to special functions have their branch(es) loaded once.  This fixes http://root.cern.ch/phpBB2/viewtopic.php?p=27080#27080
Insure that the formula that are used as indices or as argument to special functions have their branch(es) loaded once.  This fixes http://root.cern.ch/phpBB2/viewtopic.php?p=27080#27080


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@23262 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root