[mutter] configure.in: update an old message

[Owen Taylor <otaylor src gnome org>]

commit 29f6f5e0ad4121731afbfd3e67dfdea97ef54191
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Wed Feb 22 19:39:47 2012 -0500

    configure.in: update an old message

 configure.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.in b/configure.in
index fa82463..686f21d 100644
--- a/configure.in
+++ b/configure.in
@@ -524,8 +524,8 @@ MUTTER_MINOR_VERSION=mutter_minor_version
 if expr $MUTTER_MINOR_VERSION % 2 > /dev/null ; then
    stable_version=`expr $MUTTER_MINOR_VERSION - 1`
    echo "This is the UNSTABLE branch of mutter"
-   echo -n "Use 2.$stable_version.x for stable "
-   echo    "(gnome-2-$stable_version branch in git)"
+   echo -n "Use 3.$stable_version.x for stable "
+   echo    "(gnome-3-$stable_version branch in git)"
 else
    echo "This is the stable branch of mutter"
 fi