librustc: minor missing change for crate-as-struct.

Author: graydon

src/librustc/driver/session.rs

@@ -360,7 +360,7 @@ mod test {
         let mut attrs = ~[];
         if with_bin { attrs += ~[make_crate_type_attr(~"bin")]; }
         if with_lib { attrs += ~[make_crate_type_attr(~"lib")]; }
-        @ast_util::respan(ast_util::dummy_sp(), {
+        @ast_util::respan(ast_util::dummy_sp(), ast::crate_ {
             module: {view_items: ~[], items: ~[]},
             attrs: attrs,
             config: ~[]