Fix 'gmake clean-xrootd; gmake all-xrootd' which was not building anything by delete LastBuild.d in the clean target. Also delete the xrootd makefile in the distclean target.
Fix 'gmake clean-xrootd; gmake all-xrootd' which was not building anything
by delete LastBuild.d in the clean target.
Also delete the xrootd makefile in the distclean target.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@31169 27541ba8-7e3a-0410-8455-c3a389f83636

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