fixed a stepgen problem that shows up when position-scale is negative - thanks to bpmw for reporting it
fixed a stepgen problem that shows up when position-scale is negative - thanks to bpmw for reporting it

RunningLight/machinekit,araisrobo/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,RunningLight/machinekit,mhaberler/machinekit,unseenlaser/machinekit,bmwiedemann/linuxcnc-mirror,unseenlaser/linuxcnc,RunningLight/machinekit,ikcalB/linuxcnc-mirror,cdsteinkuehler/MachineKit,unseenlaser/linuxcnc,EqAfrica/machinekit,RunningLight/machinekit,unseenlaser/machinekit,kinsamanka/machinekit,bmwiedemann/linuxcnc-mirror,Cid427/machinekit,araisrobo/linuxcnc,yishinli/emc2,aschiffler/linuxcnc,strahlex/machinekit,jaguarcat79/ILC-with-LinuxCNC,ianmcmahon/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,cnc-club/linuxcnc,Cid427/machinekit,bobvanderlinden/machinekit,EqAfrica/machinekit,aschiffler/linuxcnc,araisrobo/machinekit,cdsteinkuehler/MachineKit,unseenlaser/linuxcnc,ianmcmahon/linuxcnc-mirror,strahlex/machinekit,RunningLight/machinekit,Cid427/machinekit,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,araisrobo/machinekit,araisrobo/linuxcnc,Cid427/machinekit,ArcEye/machinekit-testing,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,kinsamanka/machinekit,mhaberler/machinekit,ianmcmahon/linuxcnc-mirror,unseenlaser/machinekit,cdsteinkuehler/MachineKit,cdsteinkuehler/MachineKit,bobvanderlinden/machinekit,bobvanderlinden/machinekit,ArcEye/MK-Qt5,EqAfrica/machinekit,ArcEye/machinekit-testing,narogon/linuxcnc,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,Cid427/machinekit,araisrobo/machinekit,araisrobo/machinekit,kinsamanka/machinekit,araisrobo/linuxcnc,kinsamanka/machinekit,EqAfrica/machinekit,cnc-club/linuxcnc,EqAfrica/machinekit,cdsteinkuehler/linuxcnc,yishinli/emc2,bobvanderlinden/machinekit,jaguarcat79/ILC-with-LinuxCNC,mhaberler/machinekit,cdsteinkuehler/linuxcnc,yishinli/emc2,kinsamanka/machinekit,bobvanderlinden/machinekit,RunningLight/machinekit,narogon/linuxcnc,Cid427/machinekit,mhaberler/machinekit,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,cdsteinkuehler/linuxcnc,araisrobo/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,EqAfrica/machinekit,ArcEye/machinekit-testing,EqAfrica/machinekit,ArcEye/machinekit-testing,unseenlaser/linuxcnc,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,narogon/linuxcnc,kinsamanka/machinekit,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,bobvanderlinden/machinekit,narogon/linuxcnc,araisrobo/linuxcnc,narogon/linuxcnc,araisrobo/machinekit,araisrobo/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,cnc-club/linuxcnc,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,cdsteinkuehler/linuxcnc,strahlex/machinekit,araisrobo/linuxcnc,ikcalB/linuxcnc-mirror,strahlex/machinekit,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/MachineKit,cnc-club/linuxcnc,ArcEye/MK-Qt5,cnc-club/linuxcnc,aschiffler/linuxcnc,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,strahlex/machinekit,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,cnc-club/linuxcnc,unseenlaser/machinekit,strahlex/machinekit,araisrobo/machinekit,unseenlaser/machinekit,cnc-club/linuxcnc,yishinli/emc2,mhaberler/machinekit,jaguarcat79/ILC-with-LinuxCNC,ArcEye/machinekit-testing,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,strahlex/machinekit,RunningLight/machinekit,Cid427/machinekit,Cid427/machinekit,bobvanderlinden/machinekit,cdsteinkuehler/MachineKit,bobvanderlinden/machinekit,EqAfrica/machinekit