Starting from version 0.1.3 serf will handle the situation where the server is  telling us it will close the connection.
Starting from version 0.1.3 serf will handle the situation where the server is 
telling us it will close the connection.

* subversion/libsvn_ra_serf/util.c
  (svn_ra_serf__is_conn_closing,
   svn_ra_serf__handle_server_error,
   handle_response): Make the check to see of the server is going to close the
   connection conditional based on the version of serf.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867981 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion