The fix for #1856 yields regressions on Linux/OSX so add a switch on Bundler::Windows
The fix for #1856 yields regressions on Linux/OSX so add a switch on Bundler::Windows

See https://github.com/carlhuda/bundler/commit/d6a7c98f948f5f619bfff6ca9b0a72f8f5eda5c4

r7kamura/bundler,Wirachmat/bundler,JuanitoFatas/bundler,frsyuki/bundler,roseweixel/bundler,CorainChicago/bundler,ligi/bundler,chulkilee/bundler,mvz/bundler,asutoshpalai/bundler,gregkare/bundler,zhangkuaiji/bundler,sideci-sample/sideci-sample-bundler,RochesterinNYC/bundler,smlance/bundler,chulkilee/bundler,AiyionPrime/bundler,robinboening/bundler,chef/bundler,kohgpat/bundler,christer155/bundler,schaary/bundler,Elffers/bundler,suhastech/bundler,tgxworld/bundler,kohgpat/bundler,philnash/bundler,chef/bundler,ngpestelos/bundler,asymmetric/bundler,lmtim/bundler,ipmobiletech/bundler,simplybusiness/bundler,Eric-Guo/bundler,steved/bundler,sideci-sample/sideci-sample-bundler,haonaturel/bundler,eagletmt/bundler,agis-/bundler,elovelan/bundler,haonature888/bundler,rkh/bundler,tgxworld/bundler,agis-/bundler,PG-kura/bundler,jingweno/bundler,Elffers/bundler,davydovanton/bundler,ngpestelos/bundler,dilumnavanjana/bundler,carpodaster/bundler,mpapis/bundler,cstrahan/bundler,bronzdoc/bundler,steved/bundler,Eric-Guo/bundler,zhangkuaiji/bundler,wenderjean/bundler,pjump/bundler,dilumnavanjana/bundler,elovelan/bundler,jingweno/bundler,jaym/bundler,mattbrictson/bundler-1,lmtim/bundler,robinboening/bundler,schaary/bundler,CorainChicago/bundler,h4ck3rm1k3/bundler,pivotal-cf-experimental/bundler,RochesterinNYC/bundler,TimMoore/bundler,Teino1978-Corp/Teino1978-Corp-bundler,mdorrance/bundler,nju520/bundler,mvz/bundler,jasonkarns/bundler,anil826/bundler,cdwort/bundler,vemmaverve/bundler,bundler/bundler,haonature/bundler,gregkare/bundler,pivotal-cf-experimental/bundler,mattbrictson/bundler-1,carpodaster/bundler,1337807/bundler,neslom/bundler,asutoshpalai/bundler,simplybusiness/bundler,PG-kura/bundler,anil826/bundler,jasonkarns/bundler,twcctz500000/bundler,philnash/bundler,h4ck3rm1k3/bundler,danimashu/bundler,davydovanton/bundler,EthanK28/bundler,jaym/bundler,bundler/bundler,mdorrance/bundler,wenderjean/bundler,ximus/bundler,haocafes/bundler,bronzdoc/bundler,TimMoore/bundler,EasonYi/bundler,danimashu/bundler,ipmobiletech/bundler,ximus/bundler,joshsoftware/bundler,masarakki/bundler,neslom/bundler,patvice/bundler,e2/bundler,cdwort/bundler,mpapis/bundler,asymmetric/bundler,seanlinsley/bundler,ligi/bundler,EasonYi/bundler,byroot/bundler,christer155/bundler,roseweixel/bundler,pjump/bundler,cstrahan/bundler,frsyuki/bundler,nju520/bundler,EthanK28/bundler,Teino1978-Corp/Teino1978-Corp-bundler,masarakki/bundler,AiyionPrime/bundler,Wirachmat/bundler,smlance/bundler,byroot/bundler,suhastech/bundler,joshsoftware/bundler,seanlinsley/bundler,patvice/bundler