handle the case where the MacroPath TEnv resource was extended by the user in a private .rootrc file.
handle the case where the MacroPath TEnv resource was extended by the user
in a private .rootrc file.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@17053 27541ba8-7e3a-0410-8455-c3a389f83636

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