qemu: hotplug: Use VIR_AUTOFREE() instead VIR_FREE for strings
qemu: hotplug: Use VIR_AUTOFREE() instead VIR_FREE for strings

Cleanup labels are also dropped where possible.

Signed-off-by: Daniel Henrique Barboza <627b089ad62deae9aaf06ccfa2c9056df28927e0@gmail.com>
Reviewed-by: Erik Skultety <2c14d38fa47c8799f1b9c16280abe27f8edfec6e@redhat.com>

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