[libpeas] Fix showing tooltip in the plugin manager

[Steve Frécinaux <sfre src gnome org>]

commit be28a543cc22e72177dedce188574d866980fc68
Author: Garrett Regier <alias301 gmail com>
Date:   Fri Mar 25 21:15:28 2011 -0700

    Fix showing tooltip in the plugin manager

 libpeas-gtk/peas-gtk-plugin-manager-view.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libpeas-gtk/peas-gtk-plugin-manager-view.c b/libpeas-gtk/peas-gtk-plugin-manager-view.c
index e51f158..5ee2494 100644
--- a/libpeas-gtk/peas-gtk-plugin-manager-view.c
+++ b/libpeas-gtk/peas-gtk-plugin-manager-view.c
@@ -503,6 +503,8 @@ peas_gtk_plugin_manager_view_init (PeasGtkPluginManagerView *view)
                                             PEAS_GTK_TYPE_PLUGIN_MANAGER_VIEW,
                                             PeasGtkPluginManagerViewPrivate);
 
+  gtk_widget_set_has_tooltip (GTK_WIDGET (view), TRUE);
+
   gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (view), TRUE);
   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);