Fix a bug in TGraphpainter::ExecuteEventHelper. fix the problem reported at: http://root.cern.ch/phpBB2/viewtopic.php?t=8222
Fix a bug in TGraphpainter::ExecuteEventHelper.
fix the problem reported at: http://root.cern.ch/phpBB2/viewtopic.php?t=8222


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@27773 27541ba8-7e3a-0410-8455-c3a389f83636

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