From c9d7a0964aa4267956c6dca6e50c9e6a54a96768 Mon Sep 17 00:00:00 2001
From: Eugene Yokota <eed3si9n@gmail.com>
Date: Fri, 4 Sep 2015 06:59:57 -0400
Subject: [PATCH] Removes a warning.

Ref #4. Inferred type was existential. This tightens it.
/review @Duhemm, @dwijnand
---
 internal/util-tracking/src/main/scala/sbt/ChangeReport.scala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/util-tracking/src/main/scala/sbt/ChangeReport.scala b/internal/util-tracking/src/main/scala/sbt/ChangeReport.scala
index 25e3ca0ff..18db36a43 100644
--- a/internal/util-tracking/src/main/scala/sbt/ChangeReport.scala
+++ b/internal/util-tracking/src/main/scala/sbt/ChangeReport.scala
@@ -4,13 +4,13 @@
 package sbt
 
 object ChangeReport {
-  def modified[T](files: Set[T]) =
+  def modified[T](files: Set[T]): ChangeReport[T] =
     new EmptyChangeReport[T] {
       override def checked = files
       override def modified = files
       override def markAllModified = this
     }
-  def unmodified[T](files: Set[T]) =
+  def unmodified[T](files: Set[T]): ChangeReport[T] =
     new EmptyChangeReport[T] {
       override def checked = files
       override def unmodified = files