Improve performance committing big files. Calculate checksum during creating text-delta, instead of separate call to svn_io_file_checksum(). This eliminates one read of whole file.
Improve performance committing big files.
Calculate checksum during creating text-delta, instead of separate call
to svn_io_file_checksum(). This eliminates one read of whole file.

* subversion/libsvn_wc/adm_crawler.c
  (svn_wc_transmit_text_deltas): Pass checksummed stream to
  svn_txdelta(). Remove call to svn_io_file_checksum(). Don't disown
  local stream to close file in correct order.

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