Do a function rename, and use a more concise API.
Do a function rename, and use a more concise API.

* subversion/libsvn_wc/upgrade.c
  (convert_wcprops_walker): Rename to this...
  (convert_props_walker): ...from this.  Also, consolidate an API call to
    use some new spiffy stream APIs.
  (convert_wcprops): Update consumer of above.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion