Use an iteration subpool when copying revprops during svnsync init.
Use an iteration subpool when copying revprops during svnsync init.

* subversion/svnsync/main.c
  (do_initialize): Use an iteration subpool.

Suggested by: lundblad


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@857915 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion