Update interface file for swig/pyWrapOpenSim.i to be compatible with swig 3.0.5
Update interface file for swig/pyWrapOpenSim.i to be compatible with swig 3.0.5

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core