THRIFT-5536 Fix cross language tests
diff --git a/test/go/src/bin/testclient/main.go b/test/go/src/bin/testclient/main.go
index f0ce052..b711958 100644
--- a/test/go/src/bin/testclient/main.go
+++ b/test/go/src/bin/testclient/main.go
@@ -34,6 +34,7 @@
var port = flag.Int64("port", 9090, "Port number to connect")
var domain_socket = flag.String("domain-socket", "", "Domain Socket (e.g. /tmp/thrifttest.thrift), instead of host and port")
var transport = flag.String("transport", "buffered", "Transport: buffered, framed, http, zlib")
+var _ = flag.Bool("zlib", false, "For compatibility. Ignored.")
var protocol = flag.String("protocol", "binary", "Protocol: binary, compact, json")
var ssl = flag.Bool("ssl", false, "Encrypted Transport using SSL")
var testloops = flag.Int("testloops", 1, "Number of Tests")