fixed a bug where z-value of a waypoint was unintentionally changed to old y-value
fixed a bug where z-value of a waypoint was unintentionally changed to old y-value

hejunbok/apm_planner,mihadyuk/qgroundcontrol,lis-epfl/qgroundcontrol,catch-twenty-two/qgroundcontrol,mihadyuk/qgroundcontrol,diydrones/apm_planner,iidioter/qgroundcontrol,greenoaktree/qgroundcontrol,sutherlandm/apm_planner,nado1688/qgroundcontrol,Hunter522/qgroundcontrol,mihadyuk/qgroundcontrol,abcdelf/apm_planner,UAVenture/qgroundcontrol,jy723/qgroundcontrol,BMP-TECH/qgroundcontrol,gpaes/apm_planner,LIKAIMO/apm_planner,mrpilot2/apm_planner,hejunbok/qgroundcontrol,mihadyuk/qgroundcontrol,diydrones/apm_planner,BMP-TECH/qgroundcontrol,Icenowy/apm_planner,TheIronBorn/qgroundcontrol,dagoodma/qgroundcontrol,caoxiongkun/qgroundcontrol,dcarpy/apm_planner,labtoast/apm_planner,chen0510566/apm_planner,abcdelf/apm_planner,gpaes/apm_planner,Icenowy/apm_planner,RedoXyde/PX4_qGCS,kd0aij/qgroundcontrol,kellyschrock/apm_planner,LIKAIMO/qgroundcontrol,abcdelf/apm_planner,caoxiongkun/qgroundcontrol,Icenowy/apm_planner,kd0aij/qgroundcontrol,cfelipesouza/qgroundcontrol,381426068/apm_planner,lis-epfl/qgroundcontrol,hejunbok/apm_planner,TheIronBorn/qgroundcontrol,TheIronBorn/qgroundcontrol,jy723/qgroundcontrol,LIKAIMO/qgroundcontrol,cfelipesouza/qgroundcontrol,BMP-TECH/qgroundcontrol,ethz-asl/qgc_asl,josephlewis42/UDenverQGC2,ethz-asl/qgc_asl,jy723/qgroundcontrol,fizzaly/qgroundcontrol,CornerOfSkyline/qgroundcontrol,CornerOfSkyline/qgroundcontrol,diydrones/apm_planner,diydrones/apm_planner,remspoor/qgroundcontrol,duststorm/apm_planner,381426068/apm_planner,sutherlandm/apm_planner,mirkix/apm_planner,UAVenture/qgroundcontrol,greenoaktree/qgroundcontrol,duststorm/apm_planner,duststorm/apm_planner,josephlewis42/UDenverQGC2,LIKAIMO/qgroundcontrol,remspoor/qgroundcontrol,mirkix/apm_planner,iidioter/qgroundcontrol,labtoast/apm_planner,Hunter522/qgroundcontrol,greenoaktree/qgroundcontrol,RedoXyde/PX4_qGCS,diydrones/apm_planner,devbharat/qgroundcontrol,labtoast/apm_planner,mirkix/apm_planner,hejunbok/apm_planner,jy723/qgroundcontrol,scott-eddy/qgroundcontrol,WorkerBees/apm_planner,UAVenture/qgroundcontrol,381426068/apm_planner,josephlewis42/UDenverQGC2,mihadyuk/qgroundcontrol,LIKAIMO/apm_planner,catch-twenty-two/qgroundcontrol,mirkix/apm_planner,catch-twenty-two/qgroundcontrol,LIKAIMO/apm_planner,LIKAIMO/apm_planner,TheIronBorn/qgroundcontrol,chen0510566/apm_planner,devbharat/qgroundcontrol,greenoaktree/qgroundcontrol,remspoor/qgroundcontrol,Hunter522/qgroundcontrol,hejunbok/qgroundcontrol,lis-epfl/qgroundcontrol,hejunbok/apm_planner,jy723/qgroundcontrol,mihadyuk/qgroundcontrol,LIKAIMO/qgroundcontrol,hejunbok/qgroundcontrol,BMP-TECH/qgroundcontrol,labtoast/apm_planner,devbharat/qgroundcontrol,nado1688/qgroundcontrol,caoxiongkun/qgroundcontrol,mrpilot2/apm_planner,xros/apm_planner,381426068/apm_planner,CornerOfSkyline/qgroundcontrol,LIKAIMO/qgroundcontrol,iidioter/qgroundcontrol,hejunbok/apm_planner,kd0aij/qgroundcontrol,WorkerBees/apm_planner,hejunbok/qgroundcontrol,cfelipesouza/qgroundcontrol,kellyschrock/apm_planner,scott-eddy/qgroundcontrol,nado1688/qgroundcontrol,381426068/apm_planner,UAVenture/qgroundcontrol,sverling/qgc_asl,cfelipesouza/qgroundcontrol,xros/apm_planner,xros/apm_planner,fizzaly/qgroundcontrol,dagoodma/qgroundcontrol,cfelipesouza/qgroundcontrol,xros/apm_planner,labtoast/apm_planner,fizzaly/qgroundcontrol,chen0510566/apm_planner,TheIronBorn/qgroundcontrol,labtoast/apm_planner,dcarpy/apm_planner,dcarpy/apm_planner,chen0510566/apm_planner,gpaes/apm_planner,BMP-TECH/qgroundcontrol,devbharat/qgroundcontrol,sutherlandm/apm_planner,kd0aij/qgroundcontrol,mrpilot2/apm_planner,LIKAIMO/apm_planner,fizzaly/qgroundcontrol,Hunter522/qgroundcontrol,CornerOfSkyline/qgroundcontrol,kellyschrock/apm_planner,caoxiongkun/qgroundcontrol,fizzaly/qgroundcontrol,kellyschrock/apm_planner,LittleBun/apm_planner,chen0510566/apm_planner,catch-twenty-two/qgroundcontrol,sverling/qgc_asl,josephlewis42/UDenverQGC2,nado1688/qgroundcontrol,catch-twenty-two/qgroundcontrol,scott-eddy/qgroundcontrol,UAVenture/qgroundcontrol,ethz-asl/qgc_asl,cfelipesouza/qgroundcontrol,kellyschrock/apm_planner,diydrones/apm_planner,mirkix/apm_planner,xros/apm_planner,RedoXyde/PX4_qGCS,sutherlandm/apm_planner,mrpilot2/apm_planner,hejunbok/apm_planner,LittleBun/apm_planner,381426068/apm_planner,dcarpy/apm_planner,gpaes/apm_planner,TheIronBorn/qgroundcontrol,kd0aij/qgroundcontrol,Icenowy/apm_planner,remspoor/qgroundcontrol,kellyschrock/apm_planner,lis-epfl/qgroundcontrol,LittleBun/apm_planner,gpaes/apm_planner,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,Hunter522/qgroundcontrol,sutherlandm/apm_planner,iidioter/qgroundcontrol,sverling/qgc_asl,xros/apm_planner,fizzaly/qgroundcontrol,CornerOfSkyline/qgroundcontrol,sverling/qgc_asl,UAVenture/qgroundcontrol,LIKAIMO/apm_planner,hejunbok/qgroundcontrol,greenoaktree/qgroundcontrol,scott-eddy/qgroundcontrol,dagoodma/qgroundcontrol,nado1688/qgroundcontrol,duststorm/apm_planner,sverling/qgc_asl,BMP-TECH/qgroundcontrol,greenoaktree/qgroundcontrol,dcarpy/apm_planner,dagoodma/qgroundcontrol,RedoXyde/PX4_qGCS,caoxiongkun/qgroundcontrol,remspoor/qgroundcontrol,catch-twenty-two/qgroundcontrol,dcarpy/apm_planner,CornerOfSkyline/qgroundcontrol,sutherlandm/apm_planner,abcdelf/apm_planner,WorkerBees/apm_planner,dagoodma/qgroundcontrol,Hunter522/qgroundcontrol,mrpilot2/apm_planner,hejunbok/qgroundcontrol,abcdelf/apm_planner,chen0510566/apm_planner,dagoodma/qgroundcontrol,nado1688/qgroundcontrol,iidioter/qgroundcontrol,lis-epfl/qgroundcontrol,duststorm/apm_planner,abcdelf/apm_planner,duststorm/apm_planner,Icenowy/apm_planner,iidioter/qgroundcontrol,LittleBun/apm_planner,LittleBun/apm_planner,LIKAIMO/qgroundcontrol,mrpilot2/apm_planner,LittleBun/apm_planner,jy723/qgroundcontrol,mirkix/apm_planner,remspoor/qgroundcontrol,WorkerBees/apm_planner,caoxiongkun/qgroundcontrol,Icenowy/apm_planner,kd0aij/qgroundcontrol,ethz-asl/qgc_asl,scott-eddy/qgroundcontrol,scott-eddy/qgroundcontrol,gpaes/apm_planner,devbharat/qgroundcontrol,devbharat/qgroundcontrol,ethz-asl/qgc_asl