[gnome-shell] Require Mutter 2.91.90

[Owen Taylor <otaylor src gnome org>]

commit 43469de2fef3ebfd123d9315d39725332cc54fc8
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Feb 22 22:45:54 2011 -0500

    Require Mutter 2.91.90
    
    2.91.90 is needed for MetaWindowActor ::position-changed signal

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3258f46..a4c080a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,7 +63,7 @@ AM_CONDITIONAL(BUILD_RECORDER, $build_recorder)
 CLUTTER_MIN_VERSION=1.5.15
 GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
 GJS_MIN_VERSION=0.7.11
-MUTTER_MIN_VERSION=2.91.4
+MUTTER_MIN_VERSION=2.91.90
 GTK_MIN_VERSION=3.0.0
 GIO_MIN_VERSION=2.25.9
 LIBECAL_REQUIRED=1.6.0