From Axel: fix for :  http://savannah.cern.ch/bugs/?51919 ACLiC: only write rootmap files if they are available.
From Axel:
fix for : 
http://savannah.cern.ch/bugs/?51919
ACLiC: only write rootmap files if they are available.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@29054 27541ba8-7e3a-0410-8455-c3a389f83636

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