Fixup verify_hostname for ssl contexts

Author: lairen

lib/kafka/ssl_context.rb

@@ -54,11 +54,12 @@ def self.build(ca_cert_file_path: nil, ca_cert: nil, client_cert: nil, client_ce
           store.set_default_paths
         end
         ssl_context.cert_store = store
-        ssl_context.verify_mode = OpenSSL::SSL::VERIFY_PEER
-        # Verify certificate hostname if supported (ruby >= 2.4.0)
-        ssl_context.verify_hostname = verify_hostname if ssl_context.respond_to?(:verify_hostname=)
       end
 
+      ssl_context.verify_mode = OpenSSL::SSL::VERIFY_PEER
+      # Verify certificate hostname if supported (ruby >= 2.4.0)
+      ssl_context.verify_hostname = verify_hostname if ssl_context.respond_to?(:verify_hostname=)
+
       ssl_context
     end
   end