Fix https://savannah.cern.ch/bugs/index.php?85720 TH2Poly was wrongly picked in the canvas area after a zoom along axis.
Fix https://savannah.cern.ch/bugs/index.php?85720
TH2Poly was wrongly picked in the canvas area after a zoom along axis.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@40781 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root