[numerics] remove warning dut to printf format
[numerics] remove warning dut to printf format

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