VTE: avoid exporting callbacks that are only used internally

src/vte.c

@@ -740,14 +740,14 @@ static void vte_drag_data_received(GtkWidget *widget, GdkDragContext *drag_conte
 }
 
 
-G_MODULE_EXPORT void on_check_run_in_vte_toggled(GtkToggleButton *togglebutton, GtkWidget *user_data)
+static void on_check_run_in_vte_toggled(GtkToggleButton *togglebutton, GtkWidget *user_data)
 {
 	g_return_if_fail(GTK_IS_WIDGET(user_data));
 	gtk_widget_set_sensitive(user_data, gtk_toggle_button_get_active(togglebutton));
 }
 
 
-G_MODULE_EXPORT void on_term_font_set(GtkFontButton *widget, gpointer user_data)
+static void on_term_font_set(GtkFontButton *widget, gpointer user_data)
 {
 	const gchar *fontbtn = gtk_font_button_get_font_name(widget);
 
@@ -759,13 +759,13 @@ G_MODULE_EXPORT void on_term_font_set(GtkFontButton *widget, gpointer user_data)
 }
 
 
-G_MODULE_EXPORT void on_term_fg_color_set(GtkColorButton *widget, gpointer user_data)
+static void on_term_fg_color_set(GtkColorButton *widget, gpointer user_data)
 {
 	gtk_color_button_get_color(widget, &vc->colour_fore);
 }
 
 
-G_MODULE_EXPORT void on_term_bg_color_set(GtkColorButton *widget, gpointer user_data)
+static void on_term_bg_color_set(GtkColorButton *widget, gpointer user_data)
 {
 	gtk_color_button_get_color(widget, &vc->colour_back);
 }