8810: Ensure place names are not empty after upgrade

gramps/gen/db/upgrade.py

@@ -200,7 +200,11 @@ def gramps_upgrade_17(self):
         else:
             placeref_list = []
 
-        type_num = 7 - level if name else -1
+        if name:
+            type_num = 7 - level
+        else:
+            name = new_place[2]
+            type_num = -1
         new_place = new_place[:5] + [placeref_list, name, [],
                     (type_num, ''), zip_code] + \
                     new_place[6:12] + [[]] + new_place[12:]

gramps/plugins/importer/importxml.py

@@ -2619,6 +2619,8 @@ class GrampsParser(UpdateCallback):
         self.placeobj.add_alternative_name(place_name)
 
     def stop_placeobj(self, *tag):
+        if self.placeobj.name.get_value() == '':
+            self.placeobj.name.set_value(self.placeobj.title)
         self.db.commit_place(self.placeobj, self.trans, 
                              self.placeobj.get_change_time())
         self.placeobj = None