[gtk+] tooltip: fix line wrapping

[Matthias Clasen <matthiasc src gnome org>]

commit 62da080bd0efe5894b66e38fc55221a5c2f0ea9f
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Oct 5 09:07:58 2014 -0500

    tooltip: fix line wrapping
    
    We enable line wrap on the internal GtkLabel, but nowadays this does
    nothing unless we also set a max number of characters.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=737929

 gtk/gtktooltip.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtktooltip.c b/gtk/gtktooltip.c
index 3e585e3..103944f 100644
--- a/gtk/gtktooltip.c
+++ b/gtk/gtktooltip.c
@@ -205,6 +205,7 @@ gtk_tooltip_init (GtkTooltip *tooltip)
 
   label = gtk_label_new ("");
   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+  gtk_label_set_max_width_chars (GTK_LABEL (label), 70);
   gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
 
   tooltip->window = window;