glib-2.0: Fix unescape_string and unescape_segment

Fixes bug #588011

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index fc4a92e51eb5d6889013743b2791fdaf499c0ddb..96da88402f3ae1479162ab6b9e75fa1f1fcd707a 100644 (file)
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -2483,8 +2483,8 @@ namespace GLib {
 
                public static string parse_scheme (string uri);
                public static string escape_string (string unescaped, string reserved_chars_allowed, bool allow_utf8);
-               public static string unescape_string (string escaped_string, string illegal_characters);
-               public static string unescape_segment (string escaped_string, string escaped_string_end, string illegal_characters);
+               public static string unescape_string (string escaped_string, string? illegal_characters = null);
+               public static string unescape_segment (string escaped_string, string escaped_string_end, string? illegal_characters = null);
                [CCode (array_length = false, array_null_terminated = true)]
                public static string[] list_extract_uris (string uri_list);
        }