build: avoid test warnings on mingw
build: avoid test warnings on mingw

* .gnulib: Update to latest, for getaddrinfo fixes.
Reported by Matthias Bolte.

VenkatDatta/libvirt,trainstack/libvirt,olafhering/libvirt,bjzhang/libvirt,jeckersb/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,rmarwaha/libvirt1,wiedi/libvirt,leilihh/libvirt,leilihh/libvirt,olafhering/libvirt,taget/libvirt,andreabolognani/libvirt,shugaoye/libvirt,trainstack/libvirt,kantai/libvirt-vfork,kantai/libvirt-vfork,warewolf/libvirt,leilihh/libvirt,wiedi/libvirt,elmarco/libvirt,jardasgit/libvirt,jfehlig/libvirt,siboulet/libvirt-openvz,datto/libvirt,cbosdo/libvirt,crobinso/libvirt,rmarwaha/libvirt1,wiedi/libvirt,crobinso/libvirt,elmarco/libvirt,olafhering/libvirt,siboulet/libvirt-openvz,eskultety/libvirt,siboulet/libvirt-openvz,emaste/libvirt,jardasgit/libvirt,agx/libvirt,rmarwaha/libvirt,andreabolognani/libvirt,jfehlig/libvirt,rmarwaha/libvirt,jeckersb/libvirt,shugaoye/libvirt,trainstack/libvirt,wiedi/libvirt,trainstack/libvirt,novel/fbsd-libvirt,leilihh/libvirt,fabianfreyer/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,iam-TJ/libvirt,rmarwaha/libvirt1,wiedi/libvirt,danwent/libvirt-ovs,datto/libvirt,zippy2/libvirt,shugaoye/libvirt,danwent/libvirt-ovs,iam-TJ/libvirt,VenkatDatta/libvirt,wiedi/libvirt,trainstack/libvirt,agx/libvirt,rlaager/libvirt,eskultety/libvirt,novel/fbsd-libvirt,iam-TJ/libvirt,libvirt/libvirt,taget/libvirt,nertpinx/libvirt,cbosdo/libvirt,datto/libvirt,nertpinx/libvirt,foomango/libvirt,soulxu/libvirt-xuhj,kantai/libvirt-vfork,elmarco/libvirt,shugaoye/libvirt,emaste/libvirt,zhlcindy/libvirt-1.1.4-maintain,jeckersb/libvirt,libvirt/libvirt,dumbbell/libvirt,rmarwaha/libvirt,novel/fbsd-libvirt,foomango/libvirt,jeckersb/libvirt,danwent/libvirt-ovs,nertpinx/libvirt,soulxu/libvirt-xuhj,rmarwaha/libvirt,dumbbell/libvirt,bjzhang/libvirt,iam-TJ/libvirt,rlaager/libvirt,leilihh/libvirt,datto/libvirt,usc-isi/libvirt,danwent/libvirt-ovs,foomango/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,zippy2/libvirt,emaste/libvirt,foomango/libvirt,siboulet/libvirt-openvz,taget/libvirt,novel/fbsd-libvirt,taget/libvirt,usc-isi/libvirt,nertpinx/libvirt,emaste/libvirt,warewolf/libvirt,rlaager/libvirt,novel/fbsd-libvirt,bjzhang/libvirt,dumbbell/libvirt,agx/libvirt,wiedi/libvirt,eskultety/libvirt,rmarwaha/libvirt1,nertpinx/libvirt,dumbbell/libvirt,jardasgit/libvirt,siboulet/libvirt-openvz,warewolf/libvirt,rlaager/libvirt,warewolf/libvirt,jfehlig/libvirt,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,fabianfreyer/libvirt,olafhering/libvirt,eskultety/libvirt,kantai/libvirt-vfork,jeckersb/libvirt,taget/libvirt,novel/fbsd-libvirt,rmarwaha/libvirt,soulxu/libvirt-xuhj,iam-TJ/libvirt,fabianfreyer/libvirt,crobinso/libvirt,emaste/libvirt,elmarco/libvirt,soulxu/libvirt-xuhj,usc-isi/libvirt,rmarwaha/libvirt1,usc-isi/libvirt,soulxu/libvirt-xuhj,andreabolognani/libvirt,libvirt/libvirt,iam-TJ/libvirt,agx/libvirt,andreabolognani/libvirt,trainstack/libvirt,dumbbell/libvirt,VenkatDatta/libvirt,novel/fbsd-libvirt,fabianfreyer/libvirt,cbosdo/libvirt,jfehlig/libvirt,elmarco/libvirt,danwent/libvirt-ovs,VenkatDatta/libvirt,rmarwaha/libvirt1,rlaager/libvirt,bjzhang/libvirt,zippy2/libvirt,crobinso/libvirt,iam-TJ/libvirt,jardasgit/libvirt,cbosdo/libvirt,trainstack/libvirt,dumbbell/libvirt,zippy2/libvirt,datto/libvirt,warewolf/libvirt,emaste/libvirt,eskultety/libvirt,warewolf/libvirt,warewolf/libvirt,usc-isi/libvirt,zhlcindy/libvirt-1.1.4-maintain,foomango/libvirt,novel/fbsd-libvirt,jeckersb/libvirt,bjzhang/libvirt,libvirt/libvirt,rmarwaha/libvirt,novel/fbsd-libvirt,shugaoye/libvirt,emaste/libvirt,leilihh/libvirt,agx/libvirt,kantai/libvirt-vfork,jeckersb/libvirt