[routing] Fix division by zero.
[routing] Fix division by zero.

igrechuhin/omim,mgsergio/omim,Transtech/omim,vng/omim,igrechuhin/omim,igrechuhin/omim,syershov/omim,programming086/omim,goblinr/omim,bykoianko/omim,mgsergio/omim,rokuz/omim,Saicheg/omim,Volcanoscar/omim,Saicheg/omim,igrechuhin/omim,yunikkk/omim,sidorov-panda/omim,rokuz/omim,gardster/omim,goblinr/omim,dkorolev/omim,vladon/omim,edl00k/omim,milchakov/omim,edl00k/omim,mgsergio/omim,ygorshenin/omim,augmify/omim,kw217/omim,mpimenov/omim,felipebetancur/omim,trashkalmar/omim,krasin/omim,milchakov/omim,programming086/omim,stangls/omim,edl00k/omim,simon247/omim,felipebetancur/omim,Transtech/omim,stangls/omim,lydonchandra/omim,albertshift/omim,simon247/omim,syershov/omim,syershov/omim,VladiMihaylenko/omim,sidorov-panda/omim,mapsme/omim,albertshift/omim,albertshift/omim,guard163/omim,darina/omim,kw217/omim,programming086/omim,TimurTarasenko/omim,Komzpa/omim,sidorov-panda/omim,wersoo/omim,andrewshadura/omim,Saicheg/omim,mgsergio/omim,AlexanderMatveenko/omim,alexzatsepin/omim,vng/omim,mgsergio/omim,mpimenov/omim,65apps/omim,AlexanderMatveenko/omim,mpimenov/omim,lydonchandra/omim,Saicheg/omim,albertshift/omim,jam891/omim,Komzpa/omim,felipebetancur/omim,andrewshadura/omim,65apps/omim,milchakov/omim,edl00k/omim,mapsme/omim,edl00k/omim,programming086/omim,sidorov-panda/omim,Zverik/omim,mpimenov/omim,TimurTarasenko/omim,Transtech/omim,65apps/omim,felipebetancur/omim,65apps/omim,wersoo/omim,Volcanoscar/omim,vladon/omim,dobriy-eeh/omim,kw217/omim,dobriy-eeh/omim,vladon/omim,alexzatsepin/omim,kw217/omim,rokuz/omim,milchakov/omim,alexzatsepin/omim,syershov/omim,Saicheg/omim,igrechuhin/omim,rokuz/omim,mpimenov/omim,andrewshadura/omim,trashkalmar/omim,VladiMihaylenko/omim,jam891/omim,alexzatsepin/omim,goblinr/omim,vng/omim,andrewshadura/omim,bykoianko/omim,mpimenov/omim,Endika/omim,alexzatsepin/omim,felipebetancur/omim,vladon/omim,VladiMihaylenko/omim,syershov/omim,TimurTarasenko/omim,andrewshadura/omim,dobriy-eeh/omim,Zverik/omim,vng/omim,dkorolev/omim,darina/omim,mgsergio/omim,andrewshadura/omim,programming086/omim,milchakov/omim,stangls/omim,Zverik/omim,TimurTarasenko/omim,matsprea/omim,programming086/omim,VladiMihaylenko/omim,Komzpa/omim,krasin/omim,65apps/omim,Komzpa/omim,gardster/omim,Zverik/omim,mpimenov/omim,mpimenov/omim,trashkalmar/omim,bykoianko/omim,stangls/omim,lydonchandra/omim,dkorolev/omim,augmify/omim,dobriy-eeh/omim,simon247/omim,mpimenov/omim,mgsergio/omim,darina/omim,milchakov/omim,stangls/omim,trashkalmar/omim,therearesomewhocallmetim/omim,sidorov-panda/omim,mapsme/omim,mgsergio/omim,TimurTarasenko/omim,UdjinM6/omim,albertshift/omim,alexzatsepin/omim,Volcanoscar/omim,dobriy-eeh/omim,stangls/omim,Volcanoscar/omim,ygorshenin/omim,AlexanderMatveenko/omim,krasin/omim,vng/omim,vasilenkomike/omim,stangls/omim,kw217/omim,augmify/omim,vladon/omim,kw217/omim,Transtech/omim,victorbriz/omim,albertshift/omim,Transtech/omim,rokuz/omim,andrewshadura/omim,jam891/omim,UdjinM6/omim,milchakov/omim,Zverik/omim,mpimenov/omim,darina/omim,Komzpa/omim,goblinr/omim,dkorolev/omim,mgsergio/omim,Transtech/omim,albertshift/omim,vng/omim,Komzpa/omim,sidorov-panda/omim,vasilenkomike/omim,AlexanderMatveenko/omim,victorbriz/omim,Saicheg/omim,igrechuhin/omim,UdjinM6/omim,Volcanoscar/omim,stangls/omim,dobriy-eeh/omim,jam891/omim,Saicheg/omim,simon247/omim,65apps/omim,VladiMihaylenko/omim,VladiMihaylenko/omim,wersoo/omim,igrechuhin/omim,bykoianko/omim,igrechuhin/omim,vasilenkomike/omim,Komzpa/omim,wersoo/omim,trashkalmar/omim,goblinr/omim,milchakov/omim,guard163/omim,ygorshenin/omim,mapsme/omim,dkorolev/omim,kw217/omim,lydonchandra/omim,alexzatsepin/omim,Volcanoscar/omim,krasin/omim,simon247/omim,felipebetancur/omim,65apps/omim,Volcanoscar/omim,rokuz/omim,rokuz/omim,darina/omim,darina/omim,kw217/omim,wersoo/omim,Zverik/omim,andrewshadura/omim,vng/omim,mgsergio/omim,guard163/omim,Endika/omim,Endika/omim,lydonchandra/omim,yunikkk/omim,matsprea/omim,therearesomewhocallmetim/omim,edl00k/omim,TimurTarasenko/omim,gardster/omim,krasin/omim,mpimenov/omim,VladiMihaylenko/omim,trashkalmar/omim,mapsme/omim,jam891/omim,mapsme/omim,goblinr/omim,jam891/omim,yunikkk/omim,65apps/omim,sidorov-panda/omim,syershov/omim,syershov/omim,sidorov-panda/omim,wersoo/omim,dkorolev/omim,vladon/omim,dobriy-eeh/omim,lydonchandra/omim,therearesomewhocallmetim/omim,UdjinM6/omim,darina/omim,rokuz/omim,kw217/omim,simon247/omim,syershov/omim,UdjinM6/omim,simon247/omim,guard163/omim,VladiMihaylenko/omim,ygorshenin/omim,rokuz/omim,rokuz/omim,felipebetancur/omim,UdjinM6/omim,milchakov/omim,dkorolev/omim,darina/omim,augmify/omim,jam891/omim,augmify/omim,dobriy-eeh/omim,trashkalmar/omim,UdjinM6/omim,victorbriz/omim,albertshift/omim,ygorshenin/omim,programming086/omim,Endika/omim,syershov/omim,felipebetancur/omim,vasilenkomike/omim,simon247/omim,felipebetancur/omim,Transtech/omim,syershov/omim,mapsme/omim,gardster/omim,Saicheg/omim,dobriy-eeh/omim,vladon/omim,bykoianko/omim,victorbriz/omim,Zverik/omim,augmify/omim,matsprea/omim,krasin/omim,guard163/omim,felipebetancur/omim,yunikkk/omim,alexzatsepin/omim,ygorshenin/omim,vasilenkomike/omim,victorbriz/omim,VladiMihaylenko/omim,edl00k/omim,Zverik/omim,victorbriz/omim,krasin/omim,Komzpa/omim,mapsme/omim,jam891/omim,yunikkk/omim,milchakov/omim,syershov/omim,therearesomewhocallmetim/omim,UdjinM6/omim,krasin/omim,vasilenkomike/omim,programming086/omim,bykoianko/omim,therearesomewhocallmetim/omim,yunikkk/omim,yunikkk/omim,VladiMihaylenko/omim,guard163/omim,goblinr/omim,rokuz/omim,vng/omim,victorbriz/omim,gardster/omim,lydonchandra/omim,mpimenov/omim,victorbriz/omim,ygorshenin/omim,vladon/omim,simon247/omim,yunikkk/omim,wersoo/omim,VladiMihaylenko/omim,goblinr/omim,yunikkk/omim,therearesomewhocallmetim/omim,igrechuhin/omim,Endika/omim,igrechuhin/omim,AlexanderMatveenko/omim,jam891/omim,65apps/omim,Transtech/omim,dobriy-eeh/omim,mapsme/omim,guard163/omim,milchakov/omim,lydonchandra/omim,bykoianko/omim,sidorov-panda/omim,gardster/omim,goblinr/omim,victorbriz/omim,vng/omim,vasilenkomike/omim,Transtech/omim,darina/omim,TimurTarasenko/omim,Endika/omim,AlexanderMatveenko/omim,vasilenkomike/omim,Transtech/omim,milchakov/omim,yunikkk/omim,wersoo/omim,Komzpa/omim,ygorshenin/omim,edl00k/omim,Volcanoscar/omim,AlexanderMatveenko/omim,kw217/omim,matsprea/omim,simon247/omim,mgsergio/omim,augmify/omim,dkorolev/omim,Endika/omim,programming086/omim,andrewshadura/omim,Saicheg/omim,ygorshenin/omim,TimurTarasenko/omim,trashkalmar/omim,UdjinM6/omim,therearesomewhocallmetim/omim,vasilenkomike/omim,bykoianko/omim,lydonchandra/omim,Volcanoscar/omim,goblinr/omim,trashkalmar/omim,dobriy-eeh/omim,Zverik/omim,alexzatsepin/omim,VladiMihaylenko/omim,AlexanderMatveenko/omim,darina/omim,victorbriz/omim,vng/omim,albertshift/omim,Zverik/omim,ygorshenin/omim,bykoianko/omim,augmify/omim,ygorshenin/omim,Komzpa/omim,goblinr/omim,syershov/omim,matsprea/omim,gardster/omim,stangls/omim,Endika/omim,guard163/omim,matsprea/omim,lydonchandra/omim,dobriy-eeh/omim,bykoianko/omim,krasin/omim,therearesomewhocallmetim/omim,mapsme/omim,UdjinM6/omim,goblinr/omim,gardster/omim,Endika/omim,vladon/omim,bykoianko/omim,trashkalmar/omim,gardster/omim,syershov/omim,matsprea/omim,therearesomewhocallmetim/omim,mapsme/omim,augmify/omim,TimurTarasenko/omim,matsprea/omim,mpimenov/omim,Zverik/omim,dkorolev/omim,TimurTarasenko/omim,wersoo/omim,65apps/omim,VladiMihaylenko/omim,edl00k/omim,matsprea/omim,stangls/omim,dkorolev/omim,wersoo/omim,stangls/omim,guard163/omim,yunikkk/omim,sidorov-panda/omim,gardster/omim,AlexanderMatveenko/omim,AlexanderMatveenko/omim,goblinr/omim,rokuz/omim,guard163/omim,edl00k/omim,Zverik/omim,krasin/omim,trashkalmar/omim,bykoianko/omim,vasilenkomike/omim,mapsme/omim,trashkalmar/omim,mgsergio/omim,darina/omim,Zverik/omim,Transtech/omim,milchakov/omim,alexzatsepin/omim,matsprea/omim,Saicheg/omim,darina/omim,alexzatsepin/omim,rokuz/omim,alexzatsepin/omim,dobriy-eeh/omim,Transtech/omim,Endika/omim,Volcanoscar/omim,darina/omim,alexzatsepin/omim,65apps/omim,bykoianko/omim,albertshift/omim,andrewshadura/omim,jam891/omim,programming086/omim,ygorshenin/omim,therearesomewhocallmetim/omim,mapsme/omim,augmify/omim,vladon/omim