From Philippe: Fix a problem reported by valgrind reporting an unitiliazed value. The problem was seen, eg, when calling the TDataType constructor.
From Philippe:
Fix a problem reported by valgrind reporting an unitiliazed value.
The problem was seen, eg, when calling the TDataType constructor.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@9638 27541ba8-7e3a-0410-8455-c3a389f83636

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