[totem] build: Bump clutter-gtk version req

[Bastien Nocera <hadess src gnome org>]

commit a81bb54f19540d666065c6789b0c541e4841311d
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Aug 30 12:42:53 2016 +0200

    build: Bump clutter-gtk version req
    
    To get the fix for flickering popup on Wayland.
    
    See https://bugzilla.gnome.org/show_bug.cgi?id=769097

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2159547..cb8b735 100644
--- a/configure.ac
+++ b/configure.ac
@@ -93,7 +93,7 @@ GST_PLUG_BASE_REQS=1.6.0
 GSTPLUG_REQS=0.11.93
 CLUTTER_REQS=1.17.3
 CLUTTER_GST_REQS=2.99.2
-CLUTTER_GTK_REQS=1.7.1
+CLUTTER_GTK_REQS=1.8.1
 
 dnl Check for the required GStreamer versions for missing plugins
 dnl installation, unless this has been disabled.