lxc: Cleanup improper VIR_ERR_NO_SUPPORT use
lxc: Cleanup improper VIR_ERR_NO_SUPPORT use

s/VIR_ERR_NO_SUPPORT/VIR_ERR_OPERATION_INVALID/

Special case is changes on lxcDomainInterfaceStats, if it's not
implemented on the platform, prints error like:

    lxcError(VIR_ERR_OPERATION_INVALID, "%s",
             _("interface stats not implemented on this platform"));

As the function is supported by driver actually, error like
VIR_ERR_NO_SUPPORT is confused.

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