fix 11 warnings on gcc 4.3.2, added a FIXME comment - return values for various functions aren't really used
fix 11 warnings on gcc 4.3.2, added a FIXME comment - return values for various functions aren't really used

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