[mutter] Don't allow multiline window titles

[William Jon McCann <mccann src gnome org>]

commit 27e0e44d8be7ab1f786bdc654c093a184aab5705
Author: William Jon McCann <jmccann redhat com>
Date:   Thu Aug 30 15:38:40 2012 -0400

    Don't allow multiline window titles
    
    https://bugzilla.gnome.org/show_bug.cgi?id=683056

 src/ui/frames.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/ui/frames.c b/src/ui/frames.c
index 6178c3f..d9dc29e 100644
--- a/src/ui/frames.c
+++ b/src/ui/frames.c
@@ -455,7 +455,8 @@ meta_frames_ensure_layout (MetaFrames  *frames,
 
       pango_layout_set_ellipsize (frame->layout, PANGO_ELLIPSIZE_END);
       pango_layout_set_auto_dir (frame->layout, FALSE);
-      
+      pango_layout_set_single_paragraph_mode (frame->layout, TRUE);
+
       font_desc = meta_gtk_widget_get_font_desc (widget, scale,
                                                  meta_prefs_get_titlebar_font ());