style: Improve the assertion message in restyle_kind().
style: Improve the assertion message in restyle_kind().

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