hg: jdk/sandbox: 8231451: ZipFileInputStream::skip handling of negative values with STORED entries

[chris.hegarty at oracle.com]

Changeset: fba8635290df
Author:    lancea
Date:      2019-10-30 15:54 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/fba8635290df

8231451: ZipFileInputStream::skip handling of negative values with STORED entries
Reviewed-by: clanger, bpb, alanb

! src/java.base/share/classes/java/util/zip/ZipFile.java
+ test/jdk/java/util/zip/ZipFile/ZipFileInputStreamSkipTest.java