automatically create the var file when it doesn't exist yet
automatically create the var file when it doesn't exist yet

a common user action is to change the var filename in the inifile but not
create the new var file.  there's no reason for emc to punish them with a fatal
error at startup.

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