hg: jdk7/tl/jdk: 6850783: InvalidityDateExtension returns reference to internal mutable state

[xuelei.fan at sun.com]

Changeset: 1299804aa6e7
Author:    xuelei
Date:      2009-06-16 20:46 +0800
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/1299804aa6e7

6850783: InvalidityDateExtension returns reference to internal mutable state
Summary: return cloned instead of referenced object
Reviewed-by: weijun

! src/share/classes/sun/security/x509/CertificateVersion.java
! src/share/classes/sun/security/x509/InvalidityDateExtension.java