Fix potential memory leak #41
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OPENSSL_freeMUST be called ifSSL_client_hello_get1_extensions_presentis successful. so we should release the allocated memory anyway, regardless ofngx_pallocsuccess or failure.[BTW
nginx.1.23.0.ssl.extensions.patchhas also the same problem but I couldn't apply your patch successfully, maybe it's corrupted or related to another version or sth]