Added missing case for set_names in subsref. This commit and the previous one...

Added missing case for set_names in subsref. This commit and the previous one fix the bug in @dynSeries::set_names method reported at http://www.dynare.org/stepan/dynare/tests/report-f4c01a43bc2882e7fd18f3cd82344fff9644088c.log.

matlab/@dynSeries/subsref.m

@@ -123,7 +123,7 @@ switch S(1).type
         else
             error('dynSeries::subsref: Call to size method must come in last position!')
         end
-      case {'rename','tex_rename'}
+      case {'set_names','rename','tex_rename'}
         B = feval(S(1).subs,A,S(2).subs{:});
         S = shiftS(S);
       otherwise                                                            % Extract a sub-object by selecting one variable.