qemuBuildSevCommandLine: s/obj/buf/
qemuBuildSevCommandLine: s/obj/buf/

The variable points to a buffer not a domain object therefore its
current name is misleading.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

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