Follow up to r1443783: Add tests for svn_wc_parse_externals_description3() to
swig-pl.

* subversion/bindings/swig/perl/native/t/9wc.t: Add file.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1443788 13f79535-47bb-0310-9956-ffa450edef68