[mutter] build: Require wayland-server >= 1.6.90

[Rico Tzschichholz <ricotz src gnome org>]

commit e73f5cc8ab97050ae140a478310f92955bd76212
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Dec 10 09:53:46 2014 +0100

    build: Require wayland-server >= 1.6.90
    
    Needed since b832bc7424d7d14a9a43334476e7dd17122f22f0

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ee3ad73..9ba3f68 100644
--- a/configure.ac
+++ b/configure.ac
@@ -206,7 +206,7 @@ if test $have_native_backend = yes; then
 fi
 AM_CONDITIONAL([HAVE_NATIVE_BACKEND],[test $have_native_backend = yes])
 
-PKG_CHECK_MODULES(MUTTER_WAYLAND, [clutter-wayland-1.0 clutter-wayland-compositor-1.0 wayland-server >= 
1.5.90], [have_wayland=yes], [have_wayland=no])
+PKG_CHECK_MODULES(MUTTER_WAYLAND, [clutter-wayland-1.0 clutter-wayland-compositor-1.0 wayland-server >= 
1.6.90], [have_wayland=yes], [have_wayland=no])
 if test $have_wayland = yes; then
    AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
    AS_IF([test $WAYLAND_SCANNER = "no"],