update-notifier: no_check_screen should default to False

helpers/DATA/update-manager/prevent-autoconnection.patch

@@ -59,7 +59,7 @@ diff -ru source.orig/update-manager source/update-manager
                       dest="no_update", default=False,
                       help=_("Do not check for updates when starting"))
 +  parser.add_option ("--no-check-screen", action="store_true",
-+                     dest="no_check_screen", default=True,
++                     dest="no_check_screen", default=False,
 +                     help=_("Don't show screen preventing unwanted connections to the Internet"))
    parser.add_option ("", "--debug", action="store_true", default=False,
                       help=_("Show debug messages"))

helpers/make-update-manager

@@ -19,7 +19,7 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=17
+VERSION=18
 
 . ./config