[vala] glib-2.0: Add binding for g_utf8_offset_to_pointer.

[Evan Nemerson <evann src gnome org>]

commit 172aec1f1c64545538f9ae49d0965e5093643f03
Author: Evan Nemerson <evan coeus-group com>
Date:   Fri Sep 3 17:02:14 2010 -0700

    glib-2.0: Add binding for g_utf8_offset_to_pointer.

 vapi/glib-2.0.vapi |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index d2b7d03..a81682d 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -977,6 +977,8 @@ public class string {
 	}
 	[CCode (cname = "g_utf8_get_char_validated")]
 	public unichar get_char_validated (ssize_t max_len = -1);
+	[CCode (cname = "g_utf8_offset_to_pointer")]
+	public unowned string utf8_offset (long offset);
 	public unowned string offset (long offset) {
 		return (string) ((char*) this + offset);
 	}