Simplify.

Author: cixtor

src/comp/metadata/creader.rs

@@ -170,17 +170,9 @@ fn visit_view_item(env e, &@ast::view_item i) {
 fn visit_item(env e, &@ast::item i) {
     alt (i.node) {
         case (ast::item_native_mod(?m)) {
-            alt (m.abi) {
-                case (ast::native_abi_rust) {
-                    e.sess.add_used_library(m.native_name);
-                }
-                case (ast::native_abi_cdecl) {
-                    e.sess.add_used_library(m.native_name);
-                }
-                case (ast::native_abi_llvm) {
-                }
-                case (ast::native_abi_rust_intrinsic) {
-                }
+            if (m.abi == ast::native_abi_rust ||
+                m.abi == ast::native_abi_cdecl) {
+                e.sess.add_used_library(m.native_name);
             }
         }
         case (_) {