- From Timur:   Fix to enable switching between non-gl and gl viewer in a pad.
- From Timur:
  Fix to enable switching between non-gl and gl viewer in a pad.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@19474 27541ba8-7e3a-0410-8455-c3a389f83636

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