[numerics] fix missing include
[numerics] fix missing include

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