[gtk+/gtk-3-6] wayland: Fix configure flag around cairo egl support

[Rob Bradford <rbradford src gnome org>]

commit 4846d3cf355075fd59f2d7c8019f188df7dd75cc
Author: Rob Bradford <rob linux intel com>
Date:   Mon Jan 28 12:29:34 2013 +0000

    wayland: Fix configure flag around cairo egl support
    
    The intention was for this to default to off. However just using this option
    (whether to enable or disable it) would turn it on.
    
    Bugzilla: https://bugzilla.gnome.org/show_bug.cgi?id=688534
    
    Thanks to Quentin Glidic for spotting this issue.

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b8a5c68..fe0cb89 100644
--- a/configure.ac
+++ b/configure.ac
@@ -324,7 +324,8 @@ AC_ARG_ENABLE(quartz-relocation,
 AC_ARG_ENABLE(wayland-cairo-gl,
               AS_HELP_STRING([--enable-wayland-cairo-gl],
                              [enable the use of Cairo GL in the Wayland backend]),
-              [enable_wayland_cairo_gl=yes])
+              [],
+              [enable_wayland_cairo_gl=no])
 
 
 cairo_backends=