[gnome-control-center] build: Require newest gnome-desktop for new API

[Bastien Nocera <hadess src gnome org>]

commit 38f0d628f40b893dcc04b054158c693ee7e4ddf4
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Mar 17 14:50:10 2016 +0100

    build: Require newest gnome-desktop for new API

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 16407aa..07e074a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,7 +96,7 @@ NETWORK_MANAGER_REQUIRED_VERSION=0.9.8
 NETWORK_MANAGER_APPLET_REQUIRED_VERSION=0.9.7.995
 MODEM_MANAGER_REQUIRED_VERSION=0.7
 LIBNOTIFY_REQUIRED_VERSION=0.7.3
-GNOME_DESKTOP_REQUIRED_VERSION=3.17.4
+GNOME_DESKTOP_REQUIRED_VERSION=3.19.93
 SCHEMAS_REQUIRED_VERSION=3.19.3
 LIBWACOM_REQUIRED_VERSION=0.7
 CLUTTER_REQUIRED_VERSION=1.11.3