Follow-up to r922516:
Follow-up to r922516:

* subversion/libsvn_ra_svn/client.c
  (make_tunnel): Include default path to config file in the error message
   explaining how to more easily debug SSH connection problems. While at it,
   try improving the error message by adding more information.

Suggested by: danielsh
(the config file path bit)

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