fixed for unused variable warnings in Visual Studio
fixed for unused variable warnings in Visual Studio

Gjacquenot/simbody,elkingtonmcb/simbody,simbody/simbody,elen4/simbody,robojukie/simbody,chrisdembia/simbody,scamille/simbody,robojukie/simbody,chrisdembia/simbody,elkingtonmcb/simbody,scamille/simbody,scamille/simbody,Gjacquenot/simbody,elkingtonmcb/simbody,chrisdembia/simbody,simbody/simbody,Gjacquenot/simbody,elen4/simbody,robojukie/simbody