[gtk+] build: bump requirement on gobject-introspection to 1.39.0

[Tim Lunn <timl src gnome org>]

commit 189b9c643d0a688f77241d352f5ca363d84ad3bf
Author: Tim Lunn <tim feathertop org>
Date:   Fri Nov 22 07:16:58 2013 +1100

    build: bump requirement on gobject-introspection to 1.39.0
    
    https://bugzilla.gnome.org/show_bug.cgi?id=713044

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3354c9a..75c65ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,7 @@ m4_define([pango_required_version], [1.32.4])
 m4_define([atk_required_version], [2.7.5])
 m4_define([cairo_required_version], [1.12.0])
 m4_define([gdk_pixbuf_required_version], [2.27.1])
-m4_define([introspection_required_version], [1.32.0])
+m4_define([introspection_required_version], [1.39.0])
 GLIB_REQUIRED_VERSION=glib_required_version
 PANGO_REQUIRED_VERSION=pango_required_version
 ATK_REQUIRED_VERSION=atk_required_version