doSubmenu function in menutest.cc avoids copying labelstr by using a const reference.
doSubmenu function in menutest.cc avoids copying labelstr by using a const reference.

luebking/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,lukoko/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,lukoko/fluxbox,Arkq/fluxbox,olivergondza/fluxbox,naimdjon/fluxbox,luebking/fluxbox,luebking/fluxbox,olivergondza/fluxbox,olivergondza/fluxbox,luebking/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,luebking/fluxbox,Arkq/fluxbox,lukoko/fluxbox,olivergondza/fluxbox,lukoko/fluxbox