* subversion/libsvn_repos/load-fs-vtable.c   (apply_textdelta, set_fulltext): When skipping revisions, make sure    to initialize output parameters to NULL before returning. Else, callers    might try to use the returned window handler, or stream, respectively,    and crash.
* subversion/libsvn_repos/load-fs-vtable.c
  (apply_textdelta, set_fulltext): When skipping revisions, make sure
   to initialize output parameters to NULL before returning. Else, callers
   might try to use the returned window handler, or stream, respectively,
   and crash.

Reported by: Trent Nelson

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