wxGUI: fix https://trac.osgeo.org/grass/ticket/1972 (v.in.ogr wrapper fails with UnicodeEncodeError?), merged from trunk, https://trac.osgeo.org/grass/changeset/61271

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@61281 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_core/dialogs.py

@@ -2148,7 +2148,7 @@ class LayersList(GListCtrl, listmix.TextEditMixin):
         for item in data:
             index = self.InsertStringItem(sys.maxint, str(item[0]))
             for i in range(1, len(item)):
-                self.SetStringItem(index, i, "%s" % str(item[i]))
+                self.SetStringItem(index, i, item[i])
         
         # check by default only on one item
         if len(data) == 1: