[gnome-screensaver] Bump gnome-desktop requirement

[Matthias Clasen <matthiasc src gnome org>]

commit 50bb6ad08ed09453dc649441f7513d4375f0e47a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 4 14:26:07 2011 -0400

    Bump gnome-desktop requirement
    
    GnomeWallClock was introduced in 3.1.91, so require that version.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 73047e5..f0bce89 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@ DBUS_REQUIRED_VERSION=0.30
 GLIB_REQUIRED_VERSION=2.25.6
 GTK_REQUIRED_VERSION=2.99.3
 X11_REQUIRED_VERSION=1.0
-GNOME_DESKTOP_REQUIRED_VERSION=2.91.5
+GNOME_DESKTOP_REQUIRED_VERSION=3.1.91
 GSETTINGS_DESKTOP_SCHEMAS_REQUIRED_VERSION=0.1.7
 
 LIBGNOMEKBDUI_REQUIRED_VERSION=0.1