* subversion/svnsync/svnsync.c
  (copy_revprops): Resolve warning by always initializing existing_props.
  (copy_revprops_cmd): Resolve warning by always initializing from_url.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1449788 13f79535-47bb-0310-9956-ffa450edef68