hg: jdk-updates/jdk15u: 8250582: Revert Principal Name type to NT-UNKNOWN when requesting TGS Kerberos tickets

[sean.coffey at oracle.com]

Changeset: 244667a675b8
Author:    mbalao
Date:      2020-07-25 01:02 -0300
URL:       https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/244667a675b8

8250582: Revert Principal Name type to NT-UNKNOWN when requesting TGS Kerberos tickets
Reviewed-by: weijun

! src/java.security.jgss/share/classes/sun/security/krb5/internal/CredentialsUtil.java