Output commandline on status != 0 in virCommandWait
Output commandline on status != 0 in virCommandWait

This helps identifying which command exited with status != 0.

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