Fix previous change.

pkg/compiler/lib/src/library_loader.dart

Index: pkg/compiler/lib/src/library_loader.dart
diff --git a/pkg/compiler/lib/src/library_loader.dart b/pkg/compiler/lib/src/library_loader.dart
index 2a5a413aa4f0f200d149f0ff96fa0b22b41bbf1d..deaf39e488f52b6f940481ab21b7b9cd7a088b24 100644
--- a/pkg/compiler/lib/src/library_loader.dart
+++ b/pkg/compiler/lib/src/library_loader.dart
@@ -534,7 +534,7 @@ class _LibraryLoaderTask extends CompilerTask implements LibraryLoaderTask {
     compiler.onLibraryCreated(library);
     libraryCanonicalUriMap[library.canonicalUri] = library;
     return compiler.onLibraryScanned(library, handler).then((_) {
-      return future.forEach(library.tags, (LibraryTag tag) {
+      return Future.forEach(library.tags, (LibraryTag tag) {
         LibraryElement dependency = library.getLibraryFromTag(tag);
         return createLibrary(handler, library, dependency.canonicalUri);
       }).then((_) => library);