[gnome-panel] build: Require gtk+ 2.99.3

[Vincent Untz <vuntz src gnome org>]

commit 1bded9e6b48f08df12a3ce5422d4e5ca7b2dbe78
Author: Vincent Untz <vuntz gnome org>
Date:   Wed Feb 2 01:06:25 2011 +0100

    build: Require gtk+ 2.99.3
    
    With all the API changes in GTK+, it's just safer this way.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a898c67..2d2bd99 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,7 +64,7 @@ LIBGNOME_DESKTOP_REQUIRED=2.91.0
 GDK_PIXBUF_REQUIRED=2.7.1
 PANGO_REQUIRED=1.15.4
 GLIB_REQUIRED=2.25.12
-GTK_REQUIRED=2.91.7
+GTK_REQUIRED=2.99.3
 LIBWNCK_REQUIRED=2.91.0
 GCONF_REQUIRED=2.6.1
 LIBGNOME_MENU_REQUIRED=2.27.92