[Adel Gadllah] rfkill-glib: Don't use g_assert_not_reached in type_to…

…_string - https://mail.gnome.org/archives/commits-list/2013-May/msg04543.html

panels/network/rfkill-glib.c

@@ -80,7 +80,7 @@ type_to_string (unsigned int type)
 	case RFKILL_TYPE_WWAN:
 		return "WWAN";
 	default:
-		g_assert_not_reached ();
+		return "UNKNOWN";
 	}
 }