Bug 710708 - Finalize statement. r=mak.

toolkit/components/places/tests/migration/test_database_from_v6_no_frecency.js

@@ -10,7 +10,8 @@ add_test(function database_is_valid() {
   do_check_eq(PlacesUtils.history.databaseStatus,
               PlacesUtils.history.DATABASE_STATUS_UPGRADED);
   // This throws if frecency column does not exist.
-  DBConn().createStatement("SELECT frecency from moz_places");
+  stmt = DBConn().createStatement("SELECT frecency from moz_places");
+  stmt.finalize();
   // Check moz_inputhistory is in place.
   do_check_true(DBConn().tableExists("moz_inputhistory"));
   run_next_test();