In the statuswalker optimize the code that calculates the copied '*' for
deleted nodes, to not require an additional db call in many cases.

In the process combine a bit of code that was duplicated for files
and directories.

* subversion/libsvn_wc/status.c
  (assemble_status): Combine some code and extend the directory query
    optimization for deletes, which now also handles files.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1431491 13f79535-47bb-0310-9956-ffa450edef68