style: Use Option<&mut> instead of &mut Option in custom_properties.rs
style: Use Option<&mut> instead of &mut Option in custom_properties.rs

emilio/servo,dati91/servo,peterjoel/servo,rnestler/servo,larsbergstrom/servo,larsbergstrom/servo,jimberlage/servo,upsuper/servo,mattnenterprise/servo,dsandeephegde/servo,DominoTree/servo,DominoTree/servo,dati91/servo,pyfisch/servo,peterjoel/servo,nnethercote/servo,peterjoel/servo,SimonSapin/servo,larsbergstrom/servo,avadacatavra/servo,szeged/servo,anthgur/servo,eddyb/servo,szeged/servo,fiji-flo/servo,SimonSapin/servo,larsbergstrom/servo,paulrouget/servo,peterjoel/servo,pyfisch/servo,KiChjang/servo,thiagopnts/servo,cbrewster/servo,dati91/servo,larsbergstrom/servo,larsbergstrom/servo,eddyb/servo,splav/servo,anthgur/servo,sadmansk/servo,nnethercote/servo,fiji-flo/servo,eddyb/servo,saneyuki/servo,paulrouget/servo,CJ8664/servo,nnethercote/servo,saneyuki/servo,ConnorGBrewster/servo,ConnorGBrewster/servo,anthgur/servo,nnethercote/servo,KiChjang/servo,CJ8664/servo,splav/servo,rnestler/servo,jimberlage/servo,dati91/servo,pyfisch/servo,larsbergstrom/servo,jimberlage/servo,thiagopnts/servo,splav/servo,larsbergstrom/servo,nnethercote/servo,cbrewster/servo,ConnorGBrewster/servo,thiagopnts/servo,anthgur/servo,mbrubeck/servo,sadmansk/servo,thiagopnts/servo,szeged/servo,splav/servo,cbrewster/servo,rnestler/servo,notriddle/servo,ConnorGBrewster/servo,mbrubeck/servo,szeged/servo,canaltinova/servo,splav/servo,jimberlage/servo,szeged/servo,fiji-flo/servo,canaltinova/servo,anthgur/servo,peterjoel/servo,sadmansk/servo,notriddle/servo,upsuper/servo,avadacatavra/servo,KiChjang/servo,notriddle/servo,avadacatavra/servo,upsuper/servo,DominoTree/servo,upsuper/servo,cbrewster/servo,paulrouget/servo,ConnorGBrewster/servo,notriddle/servo,CJ8664/servo,avadacatavra/servo,KiChjang/servo,nnethercote/servo,fiji-flo/servo,paulrouget/servo,thiagopnts/servo,emilio/servo,saneyuki/servo,anthgur/servo,SimonSapin/servo,splav/servo,dsandeephegde/servo,DominoTree/servo,canaltinova/servo,peterjoel/servo,CJ8664/servo,paulrouget/servo,splav/servo,mattnenterprise/servo,rnestler/servo,SimonSapin/servo,sadmansk/servo,mbrubeck/servo,CJ8664/servo,avadacatavra/servo,emilio/servo,emilio/servo,szeged/servo,jimberlage/servo,canaltinova/servo,nnethercote/servo,CJ8664/servo,DominoTree/servo,saneyuki/servo,thiagopnts/servo,pyfisch/servo,larsbergstrom/servo,fiji-flo/servo,dsandeephegde/servo,canaltinova/servo,thiagopnts/servo,sadmansk/servo,paulrouget/servo,saneyuki/servo,ConnorGBrewster/servo,CJ8664/servo,szeged/servo,cbrewster/servo,mbrubeck/servo,SimonSapin/servo,dsandeephegde/servo,ConnorGBrewster/servo,avadacatavra/servo,saneyuki/servo,emilio/servo,mbrubeck/servo,fiji-flo/servo,canaltinova/servo,upsuper/servo,sadmansk/servo,cbrewster/servo,cbrewster/servo,jimberlage/servo,splav/servo,cbrewster/servo,pyfisch/servo,szeged/servo,paulrouget/servo,szeged/servo,dati91/servo,paulrouget/servo,eddyb/servo,avadacatavra/servo,emilio/servo,paulrouget/servo,KiChjang/servo,dsandeephegde/servo,sadmansk/servo,emilio/servo,anthgur/servo,mattnenterprise/servo,jimberlage/servo,mattnenterprise/servo,KiChjang/servo,CJ8664/servo,mbrubeck/servo,szeged/servo,dsandeephegde/servo,DominoTree/servo,notriddle/servo,mattnenterprise/servo,larsbergstrom/servo,DominoTree/servo,KiChjang/servo,fiji-flo/servo,pyfisch/servo,DominoTree/servo,pyfisch/servo,peterjoel/servo,notriddle/servo,splav/servo,KiChjang/servo,emilio/servo,dati91/servo,peterjoel/servo,mattnenterprise/servo,canaltinova/servo,mbrubeck/servo,rnestler/servo,nnethercote/servo,emilio/servo,anthgur/servo,mattnenterprise/servo,upsuper/servo,jimberlage/servo,paulrouget/servo,peterjoel/servo,fiji-flo/servo,saneyuki/servo,eddyb/servo,nnethercote/servo,dsandeephegde/servo,mattnenterprise/servo,upsuper/servo,saneyuki/servo,eddyb/servo,pyfisch/servo,nnethercote/servo,dsandeephegde/servo,mbrubeck/servo,notriddle/servo,ConnorGBrewster/servo,dati91/servo,notriddle/servo,thiagopnts/servo,SimonSapin/servo,pyfisch/servo,splav/servo,pyfisch/servo,canaltinova/servo,avadacatavra/servo,KiChjang/servo,dati91/servo,sadmansk/servo,DominoTree/servo,eddyb/servo,upsuper/servo,rnestler/servo,peterjoel/servo,KiChjang/servo,SimonSapin/servo,notriddle/servo,saneyuki/servo,emilio/servo,saneyuki/servo,rnestler/servo,DominoTree/servo,rnestler/servo,jimberlage/servo,eddyb/servo,SimonSapin/servo,notriddle/servo