RFR: 8263497: Clean up sun.security.krb5.PrincipalName::toByteArray [v2]

[Aleksey Shipilev]

> SonarCloud actually found this:
>   Verify this is the index that was intended; it was already set before.
> 
>  
>     public byte[][] toByteArray() {
>         byte[][] result = new byte[nameStrings.length][];
>         for (int i = 0; i < nameStrings.length; i++) {
>             result[i] = new byte[nameStrings[i].length()]; // <-- here
>             result[i] = nameStrings[i].getBytes();
>         }
>         return result;
>     }
> 
> `getBytes()` returns the `byte[]` array, there is no need to allocate the array before it.

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Copyright update

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2962/files
  - new: https://git.openjdk.java.net/jdk/pull/2962/files/6223ee6f..7e8a3104

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2962&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2962&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2962.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2962/head:pull/2962

PR: https://git.openjdk.java.net/jdk/pull/2962