Graph View: BugFix for crash while replaying tlog
Graph View: BugFix for crash while replaying tlog

 * fixed bad pointer deref

dcarpy/apm_planner,xros/apm_planner,sutherlandm/apm_planner,diydrones/apm_planner,dcarpy/apm_planner,diydrones/apm_planner,sutherlandm/apm_planner,sutherlandm/apm_planner,diydrones/apm_planner,diydrones/apm_planner,dcarpy/apm_planner,mirkix/apm_planner,mirkix/apm_planner,mirkix/apm_planner,xros/apm_planner,kellyschrock/apm_planner,mirkix/apm_planner,mirkix/apm_planner,dcarpy/apm_planner,kellyschrock/apm_planner,sutherlandm/apm_planner,diydrones/apm_planner,kellyschrock/apm_planner,mirkix/apm_planner,sutherlandm/apm_planner,dcarpy/apm_planner,xros/apm_planner,xros/apm_planner,kellyschrock/apm_planner,diydrones/apm_planner,xros/apm_planner,kellyschrock/apm_planner,sutherlandm/apm_planner,xros/apm_planner,dcarpy/apm_planner,kellyschrock/apm_planner