[exotica_core] MotinoSolver: GetProblem should return non-const Otherwise SetRho/SetGoal can no longer be called. Fixes issue introduced in #566.
[exotica_core] MotinoSolver: GetProblem should return non-const
Otherwise SetRho/SetGoal can no longer be called.
Fixes issue introduced in #566.

openhumanoids/exotica,openhumanoids/exotica,openhumanoids/exotica,openhumanoids/exotica