Fix coverity report 36054, 36055, 36056 and 36057
Fix coverity report 36054, 36055, 36056 and 36057


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@42635 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT