RFR: 8275811 Incorrect instance to dispose

[Daniel Jeliński]

On Fri, 22 Oct 2021 18:24:22 GMT, Daniel Jeliński <duke at openjdk.java.net> wrote:

> The current code that changes cipher suites disposes the new suite instead of the old one, which usually silently fails. This patch fixes the code to dispose the old instance instead.
> 
> DTLS appears to be unaffected: DTLSOutputRecord keeps 2 ciphers and correctly [disposes the old one](https://github.com/openjdk/jdk/blob/739769c8fc4b496f08a92225a12d07414537b6c0/src/java.base/share/classes/sun/security/ssl/DTLSOutputRecord.java#L106), and DTLSInputRecord [doesn't dispose anything](https://github.com/openjdk/jdk/blob/4b9303b77b43d890ebacbec38b4ac5db7e171886/src/java.base/share/classes/sun/security/ssl/DTLSInputRecord.java#L57)

Ah, missed that one. Fixed.

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PR: https://git.openjdk.java.net/jdk/pull/6084