conf: Convert virDomainChrSourceDefNew to return object
conf: Convert virDomainChrSourceDefNew to return object

Let's use object referencing to handle the ChrSourceDef. A subsequent
patch then can allow the monConfig to take an extra reference before
dropping the domain lock to then ensure nothing free's the memory that
needs to be used.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>
Reviewed-by: Marc Hartmayer <7bafc8cd4e6394916d396e4f8cde69753be8d066@linux.vnet.ibm.com>

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