Fix potential access to uninitialized memory during 'svn commit'. I don't know exact reproduction script, but it's obvious bug and crash reported via TortoiseSVN crash dump service multiple times.
Fix potential access to uninitialized memory during 'svn commit'. I don't
know exact reproduction script, but it's obvious bug and crash reported via
TortoiseSVN crash dump service multiple times.

Found by: TortoiseSVN crash dump

* subversion/libsvn_wc/adm_crawler.c
  (svn_wc__internal_transmit_text_deltas): Do not attempt to access checksum
   from checksummed stream if svn_stream_close() returns error.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1702231 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion