fix my C fingers and remove semicolon

Author: etodanik

internal/lib/testutils/httpmultibin/httpmultibin.go

@@ -147,7 +147,7 @@ func echoHandler(t testing.TB, closePrematurely bool) http.Handler {
 			closeReceived := make(chan struct{})
 			defaultCloseHandler := conn.CloseHandler()
 			conn.SetCloseHandler(func(code int, text string) error {
-				close(closeReceived);
+				close(closeReceived)
 				return defaultCloseHandler(code, text)
 			})