Fix some uses of unitialised variables identified by valgrind.
Fix some uses of unitialised variables identified by valgrind.

* subversion/libsvn_wc/update_editor.c
  (add_directory, add_file): Set conflicted if svn_wc__db_read_info fails.

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