SDK core library fuzzy arrow fixes.

sdk/lib/internal/iterable.dart

Index: sdk/lib/internal/iterable.dart
diff --git a/sdk/lib/internal/iterable.dart b/sdk/lib/internal/iterable.dart
index 25cfe68fc4a2fddea1a2ff3fbca411ce0e69d902..01ac05ee05828c77ae6d34ca5ecb738e76fcd432 100644
--- a/sdk/lib/internal/iterable.dart
+++ b/sdk/lib/internal/iterable.dart
@@ -174,7 +174,7 @@ abstract class ListIterable<E> extends EfficientLengthIterable<E> {
 
   Iterable<T> map<T>(T f(E element)) => new MappedListIterable<E, T>(this, f);
 
-  E reduce(E combine(var value, E element)) {
+  E reduce(E combine(E value, E element)) {
     int length = this.length;
     if (length == 0) throw IterableElementError.noElement();
     E value = elementAt(0);