Use `dates.format_datetime` for dates in PO(T) header, as `datetime.strftime` produces wrong results on windows.
Use `dates.format_datetime` for dates in PO(T) header, as `datetime.strftime` produces wrong results on windows.

julen/babel,moreati/babel,iamshubh22/babel,prmtl/babel,upman/babel,iamshubh22/babel,st4lk/babel,julen/babel,nandoflorestan/babel,prmtl/babel,yoloseem/babel,nandoflorestan/babel,skybon/babel,felixonmars/babel,xen/babel,gutsy/babel,python-babel/babel,jespino/babel,yoloseem/babel,jmagnusson/babel,mitsuhiko/babel,srisankethu/babel,mgax/babel,masklinn/babel,moreati/babel,masklinn/babel,KIT-XXI/babel,mitsuhiko/babel,moreati/babel,hanteng/babel,hanteng/babel,st4lk/babel,yoloseem/babel,prmtl/babel,mitsuhiko/babel,gutsy/babel,skybon/babel,xlevus/babel,jmagnusson/babel,lepistone/babel,mbirtwell/babel,lepistone/babel,st4lk/babel,felixonmars/babel,nandoflorestan/babel,KIT-XXI/babel,javacruft/babel,skybon/babel,felixonmars/babel,javacruft/babel,hanteng/babel,lepistone/babel,srisankethu/babel,gutsy/babel,upman/babel,python-babel/babel,upman/babel,nickretallack/babel,nickretallack/babel,masklinn/babel,julen/babel,xlevus/babel,javacruft/babel,mbirtwell/babel,srisankethu/babel,nickretallack/babel,KIT-XXI/babel,mgax/babel,mbirtwell/babel,xlevus/babel,iamshubh22/babel,xen/babel,jespino/babel,jmagnusson/babel