Fix issues #813 and #814.  It's really a bug in apr_filepath_merge, which Sander is investigating.  Once apr is fixed, he'll remove this workaround in our svn client.
Fix issues #813 and #814.  It's really a bug in apr_filepath_merge,
which Sander is investigating.  Once apr is fixed, he'll remove this
workaround in our svn client.

* util.c (svn_cl__args_to_target_array): temporary workaround for the
  apr_filepath_merge bug: make sure explicit "." targets aren't
  accidentally changed into "" when we case-ify.

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