g.gui.tplot: t.vect.list changed flags

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@69686 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/tplot/frame.py

@@ -899,7 +899,7 @@ class TplotFrame(wx.Frame):
                 break
         if found:
             try:
-                vect_list = grass.read_command('t.vect.list', flags='s',
+                vect_list = grass.read_command('t.vect.list', flags='u',
                                                input=dataset, column='name')
             except Exception:
                 self.attribute.Clear()