Eliminate some compiler warnings.
Eliminate some compiler warnings.

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