[Examples] make test : fix build-dir option
[Examples] make test : fix build-dir option

bremond/siconos,fperignon/siconos,fperignon/siconos,fperignon/siconos,bremond/siconos,bremond/siconos,siconos/siconos,radarsat1/siconos,siconos/siconos,bremond/siconos,siconos/siconos-deb,siconos/siconos,siconos/siconos-deb,fperignon/siconos,siconos/siconos-deb,radarsat1/siconos,bremond/siconos,siconos/siconos-deb,siconos/siconos-deb,siconos/siconos,radarsat1/siconos,radarsat1/siconos,fperignon/siconos,siconos/siconos-deb,radarsat1/siconos