QSqlDatabase::addDatabase not thread safe with plugin
QSqlDatabase::addDatabase not thread safe with plugin

Although the method is marked as thread safe in the docs, if you use a
database plugin it ends up not being thread safe.

cfelipesouza/qgroundcontrol,BMP-TECH/qgroundcontrol,jy723/qgroundcontrol,nado1688/qgroundcontrol,iidioter/qgroundcontrol,nado1688/qgroundcontrol,RedoXyde/PX4_qGCS,Hunter522/qgroundcontrol,mihadyuk/qgroundcontrol,lis-epfl/qgroundcontrol,kd0aij/qgroundcontrol,fizzaly/qgroundcontrol,CornerOfSkyline/qgroundcontrol,Hunter522/qgroundcontrol,scott-eddy/qgroundcontrol,jy723/qgroundcontrol,BMP-TECH/qgroundcontrol,scott-eddy/qgroundcontrol,greenoaktree/qgroundcontrol,catch-twenty-two/qgroundcontrol,dagoodma/qgroundcontrol,BMP-TECH/qgroundcontrol,devbharat/qgroundcontrol,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,kd0aij/qgroundcontrol,iidioter/qgroundcontrol,remspoor/qgroundcontrol,greenoaktree/qgroundcontrol,scott-eddy/qgroundcontrol,LIKAIMO/qgroundcontrol,nado1688/qgroundcontrol,remspoor/qgroundcontrol,ethz-asl/qgc_asl,scott-eddy/qgroundcontrol,TheIronBorn/qgroundcontrol,remspoor/qgroundcontrol,kd0aij/qgroundcontrol,nado1688/qgroundcontrol,UAVenture/qgroundcontrol,lis-epfl/qgroundcontrol,lis-epfl/qgroundcontrol,TheIronBorn/qgroundcontrol,RedoXyde/PX4_qGCS,fizzaly/qgroundcontrol,jy723/qgroundcontrol,dagoodma/qgroundcontrol,nado1688/qgroundcontrol,cfelipesouza/qgroundcontrol,greenoaktree/qgroundcontrol,hejunbok/qgroundcontrol,remspoor/qgroundcontrol,iidioter/qgroundcontrol,kd0aij/qgroundcontrol,jy723/qgroundcontrol,CornerOfSkyline/qgroundcontrol,catch-twenty-two/qgroundcontrol,fizzaly/qgroundcontrol,caoxiongkun/qgroundcontrol,devbharat/qgroundcontrol,RedoXyde/PX4_qGCS,catch-twenty-two/qgroundcontrol,BMP-TECH/qgroundcontrol,ethz-asl/qgc_asl,hejunbok/qgroundcontrol,cfelipesouza/qgroundcontrol,hejunbok/qgroundcontrol,LIKAIMO/qgroundcontrol,iidioter/qgroundcontrol,greenoaktree/qgroundcontrol,fizzaly/qgroundcontrol,catch-twenty-two/qgroundcontrol,RedoXyde/PX4_qGCS,devbharat/qgroundcontrol,CornerOfSkyline/qgroundcontrol,dagoodma/qgroundcontrol,UAVenture/qgroundcontrol,mihadyuk/qgroundcontrol,mihadyuk/qgroundcontrol,iidioter/qgroundcontrol,jy723/qgroundcontrol,lis-epfl/qgroundcontrol,dagoodma/qgroundcontrol,nado1688/qgroundcontrol,mihadyuk/qgroundcontrol,hejunbok/qgroundcontrol,cfelipesouza/qgroundcontrol,mihadyuk/qgroundcontrol,lis-epfl/qgroundcontrol,catch-twenty-two/qgroundcontrol,UAVenture/qgroundcontrol,catch-twenty-two/qgroundcontrol,caoxiongkun/qgroundcontrol,Hunter522/qgroundcontrol,jy723/qgroundcontrol,caoxiongkun/qgroundcontrol,mihadyuk/qgroundcontrol,CornerOfSkyline/qgroundcontrol,kd0aij/qgroundcontrol,kd0aij/qgroundcontrol,fizzaly/qgroundcontrol,devbharat/qgroundcontrol,TheIronBorn/qgroundcontrol,BMP-TECH/qgroundcontrol,cfelipesouza/qgroundcontrol,cfelipesouza/qgroundcontrol,hejunbok/qgroundcontrol,LIKAIMO/qgroundcontrol,remspoor/qgroundcontrol,CornerOfSkyline/qgroundcontrol,devbharat/qgroundcontrol,ethz-asl/qgc_asl,hejunbok/qgroundcontrol,TheIronBorn/qgroundcontrol,ethz-asl/qgc_asl,iidioter/qgroundcontrol,greenoaktree/qgroundcontrol,TheIronBorn/qgroundcontrol,CornerOfSkyline/qgroundcontrol,LIKAIMO/qgroundcontrol,UAVenture/qgroundcontrol,dagoodma/qgroundcontrol,Hunter522/qgroundcontrol,scott-eddy/qgroundcontrol,Hunter522/qgroundcontrol,TheIronBorn/qgroundcontrol,devbharat/qgroundcontrol,caoxiongkun/qgroundcontrol,scott-eddy/qgroundcontrol,BMP-TECH/qgroundcontrol,caoxiongkun/qgroundcontrol,dagoodma/qgroundcontrol,UAVenture/qgroundcontrol,greenoaktree/qgroundcontrol,ethz-asl/qgc_asl,UAVenture/qgroundcontrol,caoxiongkun/qgroundcontrol,LIKAIMO/qgroundcontrol,fizzaly/qgroundcontrol,remspoor/qgroundcontrol,Hunter522/qgroundcontrol,LIKAIMO/qgroundcontrol