don't complain about unused defined_in rules


git-svn-id: https://root.cern.ch/svn/root/trunk@48629 27541ba8-7e3a-0410-8455-c3a389f83636
Undo unintended 48629


git-svn-id: https://root.cern.ch/svn/root/trunk@48630 27541ba8-7e3a-0410-8455-c3a389f83636
Undo unintended 48629


git-svn-id: https://root.cern.ch/svn/root/trunk@48631 27541ba8-7e3a-0410-8455-c3a389f83636
fix coverity complaint


git-svn-id: https://root.cern.ch/svn/root/trunk@48632 27541ba8-7e3a-0410-8455-c3a389f83636