Fix Azure example to set NULL after free#10805
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Pull request overview
This PR fixes a shutdown-path double-free bug in the Azure Sphere TLS server example by ensuring the per-connection WOLFSSL* ssl pointer is cleared after it is freed, so the final shared cleanup routine can safely run without re-freeing the same object.
Changes:
- Set
ssl = NULLimmediately afterwolfSSL_free(ssl)inside the connection loop to prevent a subsequentutil_Cleanup(sockfd, ctx, ssl)from double-freeingssl.
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Description
Fix Azure example to set NULL after free
Fixes #10800
Checklist