[metacity] Don't allow multiline window titles

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 31b4c06d26567d666df5804fe869a35930bd896d
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 |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/ui/frames.c b/src/ui/frames.c
index bfe468e..cb13c7f 100644
--- a/src/ui/frames.c
+++ b/src/ui/frames.c
@@ -572,6 +572,8 @@ 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 ());