[svn r37317] Fixed execnet tests on Windows, for some reason it uses '0.0.0.0' as IP address if '' is given as hostname
[svn r37317] Fixed execnet tests on Windows, for some reason it uses '0.0.0.0' as IP address if '' is given as hostname

--HG--
branch : trunk

Bachmann1234/pytest,doordash/pytest,abusalimov/pytest,skylarjhdownes/pytest,hackebrot/pytest,untitaker/pytest,vodik/pytest,chillbear/pytest,mdboom/pytest,chiller/pytest,hunse/pytest,pytest-dev/py,bubenkoff/pytest,hpk42/pytest,omarkohl/pytest,Bjwebb/pytest,bukzor/pytest,takluyver/pytest,pfctdayelise/pytest,txomon/pytest,ropez/pytest,tomviner/pytest,vmalloc/dessert,Carreau/pytest,malinoff/pytest,MengJueM/pytest,ghostsquad/pytest,rmfitzpatrick/pytest,inirudebwoy/pytest,nicoddemus/pytest,oleg-alexandrov/pytest,Haibo-Wang-ORG/pytest,codewarrior0/pytest,lukas-bednar/pytest,nicoddemus/repo-test,Haibo-Wang-ORG/pytest,ojake/pytest,inirudebwoy/pytest,wfxiang08/pytest,alfredodeza/pytest,pytest-dev/pytest,davidszotten/pytest,ericdill/pytest,bubenkoff/pytest,hunse/pytest,gabrielcnr/pytest,chillbear/pytest,tareqalayan/pytest,Akasurde/pytest,icemac/pytest,userzimmermann/pytest,JonathonSonesen/pytest,ghostsquad/pytest,jaraco/pytest,ojake/pytest,doordash/pytest,The-Compiler/pytest,untitaker/pytest,ericdill/pytest,takluyver/pytest,tgoodlet/pytest,jb098/pytest,hpk42/pytest,markshao/pytest,oleg-alexandrov/pytest,ropez/pytest,Carreau/pytest,abusalimov/pytest,rouge8/pytest,ddboline/pytest,vodik/pytest,Magicjarvis/py,bukzor/pytest,mdboom/pytest,lukas-bednar/pytest,mbirtwell/pytest,nicoddemus/pytest,mbirtwell/pytest,chiller/pytest,Bjwebb/pytest,mhils/pytest,eli-b/pytest,The-Compiler/pytest,codewarrior0/pytest,ionelmc/pytest,rouge8/pytest,userzimmermann/pytest,pelme/pytest,MengJueM/pytest,icemac/pytest,nicoddemus/repo-test,wfxiang08/pytest,etataurov/pytest,omarkohl/pytest,Bachmann1234/pytest,gabrielcnr/pytest,JonathonSonesen/pytest,RonnyPfannschmidt/pytest,pelme/pytest,mhils/pytest,MichaelAquilina/pytest,ionelmc/pytest,flub/pytest,jb098/pytest,tomviner/pytest