[mechanics_io] fix options parameter for broadphase
[mechanics_io] fix options parameter for broadphase

siconos/siconos,radarsat1/siconos,siconos/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,bremond/siconos,radarsat1/siconos,radarsat1/siconos,radarsat1/siconos,bremond/siconos,fperignon/siconos,bremond/siconos,fperignon/siconos,siconos/siconos,siconos/siconos,fperignon/siconos,fperignon/siconos,radarsat1/siconos