close the popup when a collection is choosen

koha-tmpl/intranet-tmpl/default/en/value_builder/unimarc_field_210c.tmpl

@@ -107,6 +107,7 @@ function report(index,summary)
 	var regexp= /(\d* \/ *)(.*)/;
 	var result=summary.match(regexp);
 	opener.document.f.field_value[index].value=result[2];
+	self.close();
 }
 </script>
 <!-- TMPL_INCLUDE NAME="popup-bottom.inc" -->