Optimize depth filtering (server compatibility) logic

http://subversion.tigris.org/issues/show_bug.cgi?id=2918





This issue depends on issue 2842, which changed state:

                What    ld value 
               |New value
============================================================
====================
                  Status|NEW                      
|RESOLVED
------------------------------------------------------------
--------------------
              Resolution|                          |FIXED
------------------------------------------------------------
--------------------




------------------------------------------------------------
---------
To unsubscribe, e-mail: issues-unsubscribesubversion.tigris.org
For additional commands, e-mail: issues-helpsubversion.tigris.org