[mutter] build: Bump minimum clutter version

[Adel Gadllah <agadllah src gnome org>]

commit 7186d0ce55bbb33a59d8186105fd027cd3d5be7b
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Tue Aug 27 21:24:56 2013 +0200

    build: Bump minimum clutter version
    
    This is needed for clutter_actor_has_mapped_clones().

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4d1875f..7a6910b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,7 @@ MUTTER_PC_MODULES="
    cairo >= 1.10.0
    gsettings-desktop-schemas >= 3.7.3
    xcomposite >= 0.2 xfixes xrender xdamage xi >= 1.6.0
-   $CLUTTER_PACKAGE >= 1.14.3
+   $CLUTTER_PACKAGE >= 1.15.90
    cogl-1.0 >= 1.15.6
    upower-glib > 0.9.11
    gnome-desktop-3.0