gtk/tree_view_column.go
func (v *TreeViewColumn) SetSortIndicator(reorderable bool) {
	C.gtk_tree_view_column_set_sort_indicator(v.native(), gbool(reorderable))
}
func (v *TreeViewColumn) SetSortIndicator(reorderable bool) {
	C.gtk_tree_view_column_set_sort_indicator(v.native(), gbool(reorderable))
}
// SetSortIndicator() is a wrapper around gtk_tree_view_column_set_sort_indicator().