virjsontest: use VIR_AUTOPTR for virJSONValues
virjsontest: use VIR_AUTOPTR for virJSONValues

Remove all explicit usage of virJSONValueFree.

Signed-off-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

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