[mutter] backend-x11: Simplify XSync initialization handling a bit

[Jasper St. Pierre <jstpierre src gnome org>]

commit 28666da6a197d510d0c147075415ef5378e6da4d
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Apr 22 12:45:13 2014 -0400

    backend-x11: Simplify XSync initialization handling a bit

 src/backends/x11/meta-backend-x11.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
index 2a3636d..a2cf9b2 100644
--- a/src/backends/x11/meta-backend-x11.c
+++ b/src/backends/x11/meta-backend-x11.c
@@ -161,10 +161,8 @@ meta_backend_x11_post_init (MetaBackend *backend)
 
   priv->source = x_event_source_new (backend);
 
-  if (!XSyncQueryExtension (priv->xdisplay, &priv->xsync_event_base, &priv->xsync_error_base))
-    meta_fatal ("Could not initialize XSync");
-
-  if (!XSyncInitialize (priv->xdisplay, &major, &minor))
+  if (!XSyncQueryExtension (priv->xdisplay, &priv->xsync_event_base, &priv->xsync_error_base) ||
+      !XSyncInitialize (priv->xdisplay, &major, &minor))
     meta_fatal ("Could not initialize XSync");
 
   META_BACKEND_CLASS (meta_backend_x11_parent_class)->post_init (backend);