hg: lambda/lambda/jdk: Couple more warnings elimination

[henry.jen at oracle.com]

Changeset: 3db1d8103766
Author:    henryjen
Date:      2013-08-16 15:14 -0700
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/3db1d8103766

Couple more warnings elimination

! src/share/classes/java/util/stream/AbstractPipeline.java
! src/share/classes/java/util/stream/Collectors.java
! src/share/classes/java/util/stream/ReferencePipeline.java
! src/share/classes/java/util/stream/SliceOps.java
! src/share/classes/java/util/stream/Stream.java