hg: jdk9/dev/jdk: 8074579: Use more efficient and readable way of checking PKZIP signatures

[martinrb at google.com]

Changeset: 3dc7002c0d37
Author:    martin
Date:      2015-03-10 14:23 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/3dc7002c0d37

8074579: Use more efficient and readable way of checking PKZIP signatures
Reviewed-by: sherman

! src/java.base/share/native/libjli/manifest_info.h
! src/java.base/share/native/libjli/parse_manifest.c
! src/java.base/share/native/libzip/zip_util.c
! src/java.base/share/native/libzip/zip_util.h
! src/java.base/unix/native/launcher/jexec.c