Add protections in TNode::Draw and TNode::ls in case a TGeometry has not yet been created. If this is the case, a default TGeometry is created.
Add protections in TNode::Draw and TNode::ls in case a TGeometry has not yet
been created. If this is the case, a default TGeometry is created.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@1983 27541ba8-7e3a-0410-8455-c3a389f83636

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