classicladder: modbus: fix 300 baud
classicladder: modbus: fix 300 baud

the way the baud rate table was used, the first entry
(300 baud) would never be matched.  This is why 300 baud
did not work.

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