[gnome-dictionary] app: Remove compilation warnings

[Juan R. Garcia Blanco <juanrgar src gnome org>]

commit 5f01dbef4ea734a14bab3f8bda36e4a4e7580db8
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Sun Mar 29 13:01:44 2015 +0200

    app: Remove compilation warnings
    
        * Remove unused variables.
        * Add appropriate castings.
        * Include missing header.

 src/gdict-window.c |   10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/src/gdict-window.c b/src/gdict-window.c
index b5dfed3..cf20b9a 100644
--- a/src/gdict-window.c
+++ b/src/gdict-window.c
@@ -29,6 +29,7 @@
 #include <gtk/gtk.h>
 #include <glib.h>
 #include <glib/gi18n.h>
+#include <glib/gstdio.h>
 
 #include <libgdict/gdict.h>
 
@@ -793,8 +794,6 @@ gdict_window_load_state (GdictWindow *window)
 {
   gchar *state_file;
   GKeyFile *state_key;
-  gchar *data;
-  gsize data_len;
   GError *error;
 
   state_file = g_build_filename (g_get_user_cache_dir (),
@@ -1599,16 +1598,13 @@ gdict_window_constructor (GType                  type,
 {
   GObject *object;
   GdictWindow *window;
-  gboolean is_maximized;
   GtkWidget *hbox;
   GtkWidget *handle;
   GtkWidget *frame1, *frame2;
   GtkWidget *vbox;
   GtkWidget *button;
   PangoFontDescription *font_desc;
-  gchar *font_name, *sidebar_page;
-  gboolean sidebar_visible;
-  gboolean statusbar_visible;
+  gchar *font_name;
   GtkAllocation allocation;
   
   object = G_OBJECT_CLASS (gdict_window_parent_class)->constructor (type, n_construct_properties, 
construct_params);
@@ -1684,7 +1680,7 @@ gdict_window_constructor (GType                  type,
   g_signal_connect (GDICT_DEFBOX (window->defbox), "selection-changed",
                     G_CALLBACK (gdict_window_defbox_selection_changed),
                     window);
-  gdict_window_defbox_selection_changed (window->defbox, window);
+  gdict_window_defbox_selection_changed (GDICT_DEFBOX (window->defbox), window);
 
   gtk_drag_dest_set (window->defbox,
                     GTK_DEST_DEFAULT_ALL,