[gedit] window: fix compilation warning

[Sébastien Wilmet <swilmet src gnome org>]

commit c8b21d4308e868a91c328dd46771137ec291d346
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Jan 13 16:05:01 2016 +0100

    window: fix compilation warning

 gedit/gedit-window.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gedit/gedit-window.c b/gedit/gedit-window.c
index 8c83424..a2b4889 100644
--- a/gedit/gedit-window.c
+++ b/gedit/gedit-window.c
@@ -2331,7 +2331,6 @@ side_panel_visibility_changed (GtkWidget   *panel,
 {
        gboolean visible;
        GAction *action;
-       GtkStyleContext *context;
        gchar *layout_desc;
 
        visible = gtk_widget_get_visible (panel);
@@ -2345,7 +2344,6 @@ side_panel_visibility_changed (GtkWidget   *panel,
        g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean (visible));
 
        /* focus the right widget and set the right styles */
-       context = gtk_widget_get_style_context (window->priv->headerbar);
        if (visible)
        {
                gtk_widget_grab_focus (window->priv->side_panel);