[vala] glib-2.0: Fix g_match_info_fetch* bindings

[Jürg Billeter <juergbi src gnome org>]

commit 1347557e3070ac584b2aec3a12be78afadb31809
Author: Jürg Billeter <j bitron ch>
Date:   Mon Mar 30 22:28:03 2009 +0200

    glib-2.0: Fix g_match_info_fetch* bindings
---
 vapi/glib-2.0.vapi |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 0b88761..b7ce9c8 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -2642,9 +2642,9 @@ namespace GLib {
 		public int get_match_count ();
 		public bool is_partial_match ();
 		public string expand_references (string string_to_expand) throws RegexError;
-		public string fetch (int match_num);
+		public string? fetch (int match_num);
 		public bool fetch_pos (int match_num, out int start_pos, out int end_pos);
-		public string fetch_named (string name);
+		public string? fetch_named (string name);
 		public bool fetch_named_pos (string name, out int start_pos, out int end_pos);
 		[CCode (array_length = false, array_null_terminated = true)]
 		public string[] fetch_all ();