implement a wrapper for gtk_widget_get_child_requisition(), useful in
widget implementations.
 -- muppet

diff -ru Gtk2-1.00-clean/xs/GtkWidget.xs Gtk2-1.00/xs/GtkWidget.xs
--- Gtk2-1.00-clean/xs/GtkWidget.xs	2003-10-01 11:25:01.000000000 -0400
+++ Gtk2-1.00/xs/GtkWidget.xs	2003-10-15 20:43:49.000000000 -0400
@@ -357,6 +357,15 @@
 
 ## function is only useful for widget implementations
 ##void gtk_widget_get_child_requisition (GtkWidget *widget, GtkRequisition *requisition);
+GtkRequisition_copy*
+gtk_widget_get_child_requisition (GtkWidget * widget)
+    PREINIT:
+	GtkRequisition req;
+    CODE:
+	gtk_widget_get_child_requisition (widget, &req);
+	RETVAL = &req;
+    OUTPUT:
+	RETVAL
 
 void
 gtk_widget_add_accelerator (widget, accel_signal, accel_group, accel_key, accel_mods, flags)