From Valeriy: 1. TRootBrowser::ListTreeHighlight(TGListTreeItem *item) method modified    to "improve" double-click handling on tree-list folder containing    many objects.
From Valeriy:
1. TRootBrowser::ListTreeHighlight(TGListTreeItem *item) method modified
   to "improve" double-click handling on tree-list folder containing
   many objects.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@5634 27541ba8-7e3a-0410-8455-c3a389f83636

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