[gtk+] placessidebar: escape tooltip text before setting it

[Cosimo Cecchi <cosimoc src gnome org>]

commit e0b1ea11ccfc8e1b357531d4854295ba552e6fb4
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sat May 23 16:14:39 2015 -0700

    placessidebar: escape tooltip text before setting it
    
    gtk_tree_view_set_tooltip_column() specifies that markup in the text
    should be escaped.
    This fixes critical warnings when hovering over items in the sidebar for
    bookmarks that have markup characters in their names.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=719683

 gtk/gtkplacessidebar.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index a5bc74b..41ec9ac 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -496,6 +496,7 @@ add_place (GtkPlacesSidebar *sidebar,
   GtkTreeIter iter;
   gboolean show_eject, show_unmount;
   gboolean show_eject_button;
+  gchar *tooltip_escaped;
 
   check_heading_for_section (sidebar, section_type);
 
@@ -510,6 +511,8 @@ add_place (GtkPlacesSidebar *sidebar,
   else
     show_eject_button = (show_unmount || show_eject);
 
+  tooltip_escaped = g_markup_escape_text (tooltip, -1);
+
   gtk_list_store_append (sidebar->store, &iter);
   gtk_list_store_set (sidebar->store, &iter,
                       PLACES_SIDEBAR_COLUMN_GICON, icon,
@@ -523,9 +526,11 @@ add_place (GtkPlacesSidebar *sidebar,
                       PLACES_SIDEBAR_COLUMN_EJECT, show_eject_button,
                       PLACES_SIDEBAR_COLUMN_NO_EJECT, !show_eject_button,
                       PLACES_SIDEBAR_COLUMN_BOOKMARK, place_type != PLACES_BOOKMARK,
-                      PLACES_SIDEBAR_COLUMN_TOOLTIP, tooltip,
+                      PLACES_SIDEBAR_COLUMN_TOOLTIP, tooltip_escaped,
                       PLACES_SIDEBAR_COLUMN_SECTION_TYPE, section_type,
                       -1);
+
+  g_free (tooltip_escaped);
 }
 
 static GIcon *