[empathy] Depends on latest GTK3 release

[Guillaume Desmottes <gdesmott src gnome org>]

commit ab782c7ac56fedf80b3c839b59670538675b7558
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Oct 4 13:23:32 2010 +0200

    Depends on latest GTK3 release
    
    We already depends on it as we ported Empathy to latest API changes.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e44f280..890f5a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@ FOLKS_REQUIRED=0.1.15
 GCONF_REQUIRED=1.2.0
 GLIB_REQUIRED=2.25.9
 GNUTLS_REQUIRED=2.8.5
-GTK_REQUIRED=2.90.8
+GTK_REQUIRED=2.91.0
 KEYRING_REQUIRED=2.26.0
 LIBCANBERRA_GTK_REQUIRED=0.4
 LIBNOTIFY_REQUIRED=0.5.1