instcomp: adapt to revised constructor signature
instcomp: adapt to revised constructor signature

(and make the generated C a tad less eclectic ;)

strahlex/machinekit,strahlex/machinekit,strahlex/machinekit,mhaberler/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,mhaberler/machinekit,mhaberler/machinekit,mhaberler/machinekit,strahlex/machinekit,strahlex/machinekit,ArcEye/MK-Qt5,strahlex/machinekit,ArcEye/MK-Qt5,strahlex/machinekit,ArcEye/MK-Qt5,mhaberler/machinekit,ArcEye/MK-Qt5,ArcEye/MK-Qt5