docs: fix docs to match behavior of virConnectClose
docs: fix docs to match behavior of virConnectClose

* src/libvirt.c (virConnectClose): Mention reference count return.
Reported by Michal Novotny, analyzed by Matthias Bolte.

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