[gnome-shell] build: Bump gsettings-desktop-schemas requirement

[Kalev Lember <klember src gnome org>]

commit ca401d50368f90157e45d57f96d70b04883a43cd
Author: Kalev Lember <klember redhat com>
Date:   Tue Dec 1 16:40:55 2015 +0100

    build: Bump gsettings-desktop-schemas requirement
    
    We need 3.19.2 for the show-battery-percentage key.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 67a6b16..af4f701 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,7 +119,7 @@ PKG_CHECK_MODULES(SHELL_PERF_HELPER, gtk+-3.0 gio-2.0)
 PKG_CHECK_MODULES(SHELL_HOTPLUG_SNIFFER, gio-2.0 gdk-pixbuf-2.0)
 PKG_CHECK_MODULES(TRAY, clutter-1.0 gtk+-3.0)
 PKG_CHECK_MODULES(GVC, libpulse >= $PULSE_MIN_VERS libpulse-mainloop-glib gobject-2.0)
-PKG_CHECK_MODULES(DESKTOP_SCHEMAS, gsettings-desktop-schemas >= 3.13.1)
+PKG_CHECK_MODULES(DESKTOP_SCHEMAS, gsettings-desktop-schemas >= 3.19.2)
 
 AC_ARG_ENABLE(browser-plugin,
               [AS_HELP_STRING([--enable-browser-plugin],