qemu: Don't remove the "return 0"
qemu: Don't remove the "return 0"

Commit f60a50c7957 intended to remove the warning only, but not with
the "return 0" together.

eskultety/libvirt,datto/libvirt,jardasgit/libvirt,libvirt/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,zippy2/libvirt,jfehlig/libvirt,rlaager/libvirt,olafhering/libvirt,libvirt/libvirt,zippy2/libvirt,jardasgit/libvirt,zhlcindy/libvirt-1.1.4-maintain,zippy2/libvirt,rlaager/libvirt,elmarco/libvirt,jardasgit/libvirt,nertpinx/libvirt,andreabolognani/libvirt,taget/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,elmarco/libvirt,elmarco/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,rlaager/libvirt,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,crobinso/libvirt,elmarco/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,shugaoye/libvirt,VenkatDatta/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,zippy2/libvirt,eskultety/libvirt,shugaoye/libvirt,datto/libvirt,jardasgit/libvirt,andreabolognani/libvirt,agx/libvirt,VenkatDatta/libvirt,taget/libvirt,agx/libvirt,zhlcindy/libvirt-1.1.4-maintain,nertpinx/libvirt,shugaoye/libvirt,crobinso/libvirt,VenkatDatta/libvirt,elmarco/libvirt,cbosdo/libvirt,jfehlig/libvirt,eskultety/libvirt,olafhering/libvirt,andreabolognani/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,datto/libvirt,libvirt/libvirt,agx/libvirt,olafhering/libvirt,cbosdo/libvirt,agx/libvirt,crobinso/libvirt,jfehlig/libvirt,cbosdo/libvirt,datto/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt,eskultety/libvirt,taget/libvirt,shugaoye/libvirt,eskultety/libvirt,datto/libvirt,crobinso/libvirt,rlaager/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,cbosdo/libvirt,agx/libvirt,shugaoye/libvirt,cbosdo/libvirt,olafhering/libvirt,jardasgit/libvirt,taget/libvirt