fix return value bug in halrmt
fix return value bug in halrmt

The parseCommand() function completely mismanaged its return values,
this commit fixes it.  (Also some minor whitespace cleanup.)

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