spec: Fix %license compat on RHEL6
spec: Fix %license compat on RHEL6

The macro needs to be defined closer to its usage

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