Handle copies bewteen databases for SVN_EXPERIMENTAL_PRISTINE.
Handle copies bewteen databases for SVN_EXPERIMENTAL_PRISTINE.

* subversion/libsvn_wc/copy.c
  (copy_versioned_file): Copy the pristine from source to destination database.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@957483 13f79535-47bb-0310-9956-ffa450edef68

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