replace deprecated getPeerCertificateChain

Author: ahorek

src/main/java/org/jruby/ext/openssl/SSLSocket.java

@@ -1043,7 +1043,7 @@ public IRubyObject peer_cert_chain(final ThreadContext context) {
         if ( engine == null ) return runtime.getNil();
 
         try {
-            javax.security.cert.Certificate[] certs = engine.getSession().getPeerCertificateChain();
+            Certificate[] certs = engine.getSession().getPeerCertificates();
             IRubyObject[] cert_chain = new IRubyObject[ certs.length ];
             for ( int i = 0; i < certs.length; i++ ) {
                 cert_chain[i] = X509Cert.wrap(context, certs[i]);