fix few Coverity issues (10713 , 11801, 11802, 11809)
fix few Coverity issues (10713 , 11801, 11802, 11809)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@35440 27541ba8-7e3a-0410-8455-c3a389f83636

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