hg: jdk9/sandbox/jdk: 8166604: nio: remove unneeded locals variables and correct NPE

[chris.hegarty at oracle.com]

Changeset: 03fdbc829db3
Author:    clanger
Date:      2016-09-26 21:24 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/03fdbc829db3

8166604: nio: remove unneeded locals variables and correct NPE
Reviewed-by: alanb

! src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/SocketChannelImpl.java