[jdk15u-dev] RFR: 8277087: ZipException: zip END header not found at ZipFile#Source.findEND

[Yuri Nesterenko]

This change fixes rather suspicious situation with Zip file comment length. Risk seems minimal. Clean patch; zip tests run fine.

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Commit messages:
 - Backport e3243ee963d074c892a0ed16a00fd91b440c96ac

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/204/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=204&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8277087
  Stats: 117 lines in 2 files changed: 114 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/204.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/204/head:pull/204

PR: https://git.openjdk.java.net/jdk15u-dev/pull/204