[mutter] configure: Require clutter-1.0 >= 1.21.3

[Rico Tzschichholz <ricotz src gnome org>]

commit 8ef48a99ae9390857b3a8a3f5182e45c39c49f03
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jan 21 12:19:21 2015 +0100

    configure: Require clutter-1.0 >= 1.21.3
    
    Needed since 1dea1813b184098916ef27b7cce594b8904864b3

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5930b58..171f67c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,7 +76,7 @@ MUTTER_PC_MODULES="
    pango >= 1.2.0
    cairo >= 1.10.0
    gsettings-desktop-schemas >= 3.15.4
-   $CLUTTER_PACKAGE >= 1.19.5
+   $CLUTTER_PACKAGE >= 1.21.3
    cogl-1.0 >= 1.17.1
    upower-glib >= 0.99.0
    gnome-desktop-3.0