Fixed a bug in the PrescribedMotion constraint discovered by Ajay -- could sometimes trigger an assert in Debug mode.
Fixed a bug in the PrescribedMotion constraint discovered by Ajay -- could sometimes trigger an assert in Debug mode.

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