[gnome-panel] configure: bump required GTK+ version

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4c85d040861d3232a6f05729c00464861bd4cf0b
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Nov 24 05:34:25 2014 +0200

    configure: bump required GTK+ version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c69b8ae..f9b330d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -89,7 +89,7 @@ LIBGNOME_DESKTOP_REQUIRED=2.91.0
 GDK_PIXBUF_REQUIRED=2.25.2
 PANGO_REQUIRED=1.15.4
 GLIB_REQUIRED=2.35.0
-GTK_REQUIRED=3.15.1
+GTK_REQUIRED=3.15.2
 LIBWNCK_REQUIRED=3.4.6
 LIBGNOME_MENU_REQUIRED=3.7.90
 TELEPATHY_GLIB_REQUIRED=0.14.0