virsh: re-fix help printing without connection
virsh: re-fix help printing without connection

Re-do 0217089 so it does not add regression for commit c0726e0 that allowed to
print help without making a connection to the daemon.

nertpinx/libvirt,eskultety/libvirt,zippy2/libvirt,taget/libvirt,jfehlig/libvirt,crobinso/libvirt,VenkatDatta/libvirt,crobinso/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,nertpinx/libvirt,datto/libvirt,libvirt/libvirt,datto/libvirt,taget/libvirt,VenkatDatta/libvirt,olafhering/libvirt,datto/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,datto/libvirt,taget/libvirt,jfehlig/libvirt,taget/libvirt,jardasgit/libvirt,libvirt/libvirt,zippy2/libvirt,libvirt/libvirt,eskultety/libvirt,olafhering/libvirt,libvirt/libvirt,zippy2/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,crobinso/libvirt,datto/libvirt,jardasgit/libvirt,andreabolognani/libvirt,eskultety/libvirt,jardasgit/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,zippy2/libvirt,jfehlig/libvirt,taget/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,eskultety/libvirt,jfehlig/libvirt,olafhering/libvirt,andreabolognani/libvirt,eskultety/libvirt,crobinso/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt