Set the field instead of the property

Since logic exists in the getter, we need to set the field across for actual quality.  The `Issue883_Exhaustive` test illustrates the difference in the comparison (currently failing).

src/StackExchange.Redis/ConfigurationOptions.cs

@@ -462,7 +462,7 @@ public ConfigurationOptions Clone()
                 DefaultDatabase = DefaultDatabase,
                 ReconnectRetryPolicy = reconnectRetryPolicy,
                 SslProtocols = SslProtocols,
-                CheckCertificateRevocation = CheckCertificateRevocation
+                checkCertificateRevocation = checkCertificateRevocation,
             };
             foreach (var item in EndPoints)
                 options.EndPoints.Add(item);