add char* string test

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7419 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/director_string.i

@@ -35,6 +35,13 @@ struct A
   { return get(n); }
 
   std::vector<std::string> m_strings;
+
+
+  virtual void process_text(const char *text) 
+  {
+  }
+
+  void call_process_func() { process_text("hello"); }
  };
  
  %}