fix maxNativeZoom = 0 race condition, close #3004
fix maxNativeZoom = 0 race condition, close #3004

hyperknot/Leaflet,webmechanicx/Leaflet,starsolaris/Leaflet,northerneyes/Leaflet,nathancahill/Leaflet,kumy/Leaflet,wrrnwng/Leaflet,2gis/Leaflet,nvoron23/Leaflet,stefanocudini/Leaflet,waeltken/Leaflet,Neorth/Leaflet,tormi/Leaflet,w8r/Leaflet,nvoron23/Leaflet,sisou/Leaflet,cartant/Leaflet,elfalem/Leaflet,mstahv/Leaflet,AP-whitehat/Leaflet,geoloep/Leaflet,frogcat/Leaflet,fredericksilva/Leaflet,prashen/Leaflet,Ossehoht/Leaflet,jmutua2015/Leaflet,tsantacruz/RotationalMarker,2gis/Leaflet,olafurr/Leaflet,pakro/Leaflet,mourner/Leaflet,thalesfsp/Leaflet,andrewmartini/Leaflet,stefanocudini/Leaflet,kumy/Leaflet,wrrnwng/Leaflet,mstahv/Leaflet,Leaflet/Leaflet,nycitt/Leaflet,akrzyzanowskino/TeamSE,tsantacruz/RotationalMarker,wpf500/Leaflet,davojta/Leaflet,w8r/Leaflet,elfalem/Leaflet,prashen/Leaflet,tormi/Leaflet,jblarsen/Leaflet,pakro/Leaflet,pakro/Leaflet,RobertoMalatesta/Leaflet,Jakobud/Leaflet,fab1an/Leaflet,rlugojr/Leaflet,sambernet/Leaflet,akauppi/Leaflet,alex2wong/Leaflet,w8r/Leaflet,msokk/Leaflet,litnerdy/Leaflet,juliensoret/Leaflet,nycitt/Leaflet,jblarsen/Leaflet,Neorth/Leaflet,wrrnwng/Leaflet,mbrukman/Leaflet,sambernet/Leaflet,nathancahill/Leaflet,codeator/Leaflet,akauppi/Leaflet,RLRR/Leaflet,twoubt/Leaflet,pzdz/Leaflet,nikhildhamsaniya/Leaflet,javimolla/Leaflet,pzdz/Leaflet,grahamthompson/Leaflet,Jakobud/Leaflet,mstahv/Leaflet,webmechanicx/Leaflet,huangsong/Leaflet,cartant/Leaflet,brah/Leaflet,msiadak/Leaflet,Jakobud/Leaflet,cmulders/Leaflet,yohanboniface/Leaflet,bolshoibooze/Leaflet,jasonoverland/Leaflet,AndBicScadMedia/Leaflet,andrewmartini/Leaflet,CapeSepias/Leaflet,elfalem/Leaflet,lee101/Leaflet,billybonz1/Leaflet,mediasuitenz/Leaflet,jasonoverland/Leaflet,cartant/Leaflet,rlugojr/Leaflet,webmechanicx/Leaflet,devjoseluis/Leaflet,sellonen/Leaflet,Andrey-Pavlov/Leaflet,scaddenp/Leaflet,iOffice/Leaflet,psicomante/Leaflet,devjoseluis/Leaflet,Trufi/Leaflet,CorainChicago/Leaflet,thalesfsp/Leaflet,msiadak/Leaflet,juliensoret/Leaflet,olafurr/Leaflet,tormi/Leaflet,taraszerebecki/Leaflet,scaddenp/Leaflet,alex2wong/Leaflet,elkingtonmcb/Leaflet,hyperknot/Leaflet,grahamthompson/Leaflet,scaddenp/Leaflet,psicomante/Leaflet,mourner/Leaflet,thalesfsp/Leaflet,tbassett44/Leaflet,2gis/Leaflet,akrzyzanowskino/TeamSE,tbassett44/Leaflet,frogcat/Leaflet,Ossehoht/Leaflet,iamjonbradley/Leaflet,kumy/Leaflet,AndBicScadMedia/Leaflet,elkingtonmcb/Leaflet,wancharle/Leaflet,wpf500/Leaflet,mourner/Leaflet,nikhildhamsaniya/Leaflet,AndBicScadMedia/Leaflet,devjoseluis/Leaflet,klaftertief/Leaflet,mediasuitenz/Leaflet,Ubisense/Leaflet,Leaflet/Leaflet,akrzyzanowskino/TeamSE,Trufi/Leaflet,snkashis/Leaflet,Ubisense/Leaflet,iamjonbradley/Leaflet,RyanHickman/Leaflet,Leaflet/Leaflet,CapeSepias/Leaflet,nycitt/Leaflet,lee101/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,starsolaris/Leaflet,Srikanth4/Leaflet,fab1an/Leaflet,Andrey-Pavlov/Leaflet,CorainChicago/Leaflet,eriksjaastad/Leaflet,taraszerebecki/Leaflet,Ossehoht/Leaflet,litnerdy/Leaflet,yohanboniface/Leaflet,Ubisense/Leaflet,davidlukerice/Leaflet,twoubt/Leaflet,pzdz/Leaflet,iamjonbradley/Leaflet,brah/Leaflet,kjell/Leaflet,rlugojr/Leaflet,caiiiycuk/Leaflet,davojta/Leaflet,AP-whitehat/Leaflet,northerneyes/Leaflet,codeator/Leaflet,frogcat/Leaflet,Neorth/Leaflet,jmutua2015/Leaflet,bbecquet/Leaflet,msiadak/Leaflet,davojta/Leaflet,fab1an/Leaflet,beni55/Leaflet,caiiiycuk/Leaflet,bolshoibooze/Leaflet,grahamthompson/Leaflet,Srikanth4/Leaflet,iOffice/Leaflet,codeator/Leaflet,mediasuitenz/Leaflet,akauppi/Leaflet,fillerwriter/Leaflet,AP-whitehat/Leaflet,DrillingInfo/Leaflet,prashen/Leaflet,waeltken/Leaflet,twoubt/Leaflet,brah/Leaflet,MuellerMatthew/Leaflet,RyanHickman/Leaflet,sellonen/Leaflet,taraszerebecki/Leaflet,snkashis/Leaflet,mbrukman/Leaflet,litnerdy/Leaflet,psicomante/Leaflet,tsantacruz/RotationalMarker,alex2wong/Leaflet,fredericksilva/Leaflet,tomnod/Leaflet,RLRR/Leaflet,Fil/Leaflet,billybonz1/Leaflet,MuellerMatthew/Leaflet,msokk/Leaflet,yohanboniface/Leaflet,kjell/Leaflet,tomnod/Leaflet,sambernet/Leaflet,eriksjaastad/Leaflet,tbassett44/Leaflet,cmulders/Leaflet,elkingtonmcb/Leaflet,caiiiycuk/Leaflet,huangsong/Leaflet,mbrukman/Leaflet,jmutua2015/Leaflet,iZucken/Leaflet,geoloep/Leaflet,javimolla/Leaflet,dhootha/Leaflet,starsolaris/Leaflet,Fil/Leaflet,billybonz1/Leaflet,jasonoverland/Leaflet,wpf500/Leaflet,Trufi/Leaflet,iOffice/Leaflet,RLRR/Leaflet,javimolla/Leaflet,bbecquet/Leaflet,wancharle/Leaflet,dhootha/Leaflet,klaftertief/Leaflet,klaftertief/Leaflet,bolshoibooze/Leaflet,fredericksilva/Leaflet,nikhildhamsaniya/Leaflet,Fil/Leaflet,CorainChicago/Leaflet,huangsong/Leaflet,DrillingInfo/Leaflet,andrewmartini/Leaflet,dhootha/Leaflet,Srikanth4/Leaflet,RobertoMalatesta/Leaflet,geoloep/Leaflet,nathancahill/Leaflet,cmulders/Leaflet,RyanHickman/Leaflet,jblarsen/Leaflet,sisou/Leaflet,bbecquet/Leaflet,msokk/Leaflet,waeltken/Leaflet,snkashis/Leaflet,davidlukerice/Leaflet,RobertoMalatesta/Leaflet,lee101/Leaflet,iZucken/Leaflet,wancharle/Leaflet,fillerwriter/Leaflet,MuellerMatthew/Leaflet,hyperknot/Leaflet,olafurr/Leaflet,beni55/Leaflet,tomnod/Leaflet,davidlukerice/Leaflet,eriksjaastad/Leaflet,iZucken/Leaflet,sellonen/Leaflet,sisou/Leaflet,beni55/Leaflet,Andrey-Pavlov/Leaflet,fillerwriter/Leaflet