Rename CompositeMessage's named parent constructor.

pkg/intl/lib/src/intl_message.dart

Index: pkg/intl/lib/src/intl_message.dart
diff --git a/pkg/intl/lib/src/intl_message.dart b/pkg/intl/lib/src/intl_message.dart
index 5dfb9c882a57f2a43b3ee9b38a0ac584daa709f5..51a0ee58f78874490da46f55b7347e72f65247b2 100644
--- a/pkg/intl/lib/src/intl_message.dart
+++ b/pkg/intl/lib/src/intl_message.dart
@@ -213,7 +213,7 @@ abstract class ComplexMessage extends Message {
 class CompositeMessage extends Message {
   List<Message> pieces;
 
-  CompositeMessage.parent(parent) : super(parent);
+  CompositeMessage.withParent(parent) : super(parent);
   CompositeMessage(this.pieces, ComplexMessage parent) : super(parent) {
     pieces.forEach((x) => x.parent = this);
   }
@@ -641,4 +641,4 @@ class Select extends SubMessage {
     out.write("})}");
     return out.toString();
   }
-}
+}