hg: jdk9/sandbox/jdk: 8146431: j.u.z.ZipFile.getEntry("") throws AIOOBE

[chris.hegarty at oracle.com]

Changeset: 658984e7e3d0
Author:    sherman
Date:      2016-01-04 14:34 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/658984e7e3d0

8146431: j.u.z.ZipFile.getEntry("") throws AIOOBE
Reviewed-by: lancea

! src/java.base/share/classes/java/util/zip/ZipFile.java
! test/java/util/zip/ZipFile/TestZipFile.java