[vala] glib-2.0: Fix GIConv binding.

[Luca Bruno <lucabru src gnome org>]

commit 3f3325388bc40ce1b36361b83a9c5cdfdc9226cc
Author: Frederik Zipp <fzipp gmx de>
Date:   Tue Aug 3 11:51:14 2010 +0200

    glib-2.0: Fix GIConv binding.

 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 3099817..0ff1c54 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -1966,9 +1966,9 @@ namespace GLib {
 	public static string convert (string str, ssize_t len, string to_codeset, string from_codeset, out size_t bytes_read = null, out size_t bytes_written = null) throws ConvertError;
 	public static bool get_charset (out unowned string charset);
 
+	[SimpleType]
 	public struct IConv {
-		[CCode (cname = "g_iconv_open")]
-		public IConv (string to_codeset, string from_codeset);
+		public static IConv open (string to_codeset, string from_codeset);
 		[CCode (cname = "g_iconv")]
 		public uint iconv (out string inbuf, out uint inbytes_left, out string outbuf, out uint outbytes_left);
 		public int close ();