Add guile-gnutls to wrapper script.

guix.scm

@@ -54,7 +54,8 @@
                   (deps (list (assoc-ref inputs "guile-gcrypt")
                               (assoc-ref inputs "guile-fibers")
                               (assoc-ref inputs "guile-goblins")
-                              (assoc-ref inputs "guile-ncurses"))))
+                              (assoc-ref inputs "guile-ncurses")
+                              (assoc-ref inputs "guile-gnutls"))))
              (match (scandir site)
                (("." ".." version)
                 (let ((modules (string-append site "/" version))