hg: jdk/jdk: 8200792: PKCS12Attribute#hashCode is always constant -1

[weijun.wang at oracle.com]

Changeset: 2f3c0bd6b987
Author:    weijun
Date:      2018-04-08 11:32 +0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/2f3c0bd6b987

8200792: PKCS12Attribute#hashCode is always constant -1
Reviewed-by: xuelei

! src/java.base/share/classes/java/security/PKCS12Attribute.java
+ test/jdk/java/security/PKCS12Attribute/HashCode.java