kconfig: gconf: move conf_changed() definition up

Define conf_changed() before its call site to remove the forward
declaration.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/gconf.c

@@ -65,7 +65,6 @@ static void display_list(void);
 static void display_tree(struct menu *menu);
 static void display_tree_part(void);
 static void update_tree(struct menu *src, GtkTreeIter * dst);
-static void conf_changed(void);
 
 static void replace_button_icon(GladeXML *xml, GdkDrawable *window,
 				GtkStyle *style, gchar *btn_name, gchar **xpm)
@@ -85,6 +84,13 @@ static void replace_button_icon(GladeXML *xml, GdkDrawable *window,
 	gtk_tool_button_set_icon_widget(button, image);
 }
 
+static void conf_changed(void)
+{
+	bool changed = conf_get_changed();
+	gtk_widget_set_sensitive(save_btn, changed);
+	gtk_widget_set_sensitive(save_menu_item, changed);
+}
+
 /* Main Window Initialization */
 static void init_main_window(const gchar *glade_file)
 {
@@ -1445,10 +1451,3 @@ int main(int ac, char *av[])
 
 	return 0;
 }
-
-static void conf_changed(void)
-{
-	bool changed = conf_get_changed();
-	gtk_widget_set_sensitive(save_btn, changed);
-	gtk_widget_set_sensitive(save_menu_item, changed);
-}