cl-stream/unistd-stream

diff --git a/package.lisp b/package.lisp
index 8549521..c010b02 100644
--- a/package.lisp
+++ b/package.lisp
@@ -28,4 +28,5 @@
    #:unistd-io-stream
    #:unistd-output-stream
    #:unistd-stream
+   #:unistd-stream-fd
    #:unistd-stream-open))