Modified Pixhawk3DWidget.cc to remove compiler warnings about unused variables.
Modified Pixhawk3DWidget.cc to remove compiler warnings about unused variables.

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