configure.ac: Require GTK+ 2.99.3 for the tray API changes

https://bugzilla.gnome.org/show_bug.cgi?id=641359

diff --git a/configure.ac b/configure.ac
index 3168c815d7fe954462b994247502a27dcd537dc6..12b4723bde61c035f54dbc200469bfc285036e4b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -64,7 +64,7 @@ CLUTTER_MIN_VERSION=1.5.15
 GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
 GJS_MIN_VERSION=0.7.8
 MUTTER_MIN_VERSION=2.91.4
-GTK_MIN_VERSION=2.91.7
+GTK_MIN_VERSION=2.99.3
 GIO_MIN_VERSION=2.25.9
 LIBECAL_REQUIRED=1.6.0
 LIBEDATASERVER_REQUIRED=1.2.0