[plt-translators] english-string-constants.rkt update

I'm sending this one to this list just for completeness.  See Robby's
previous email.

Philippe

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commit d860661694e29ba0088dc026d8cee02f7ab9068a
Author: Robby Findler <robby at racket-lang.org>
Date:   Tue Sep 7 19:15:56 2010 -0500

    added back teachpack-pre-installed for deinprogramm
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diff --git a/collects/string-constants/english-string-constants.rkt b/collects/string-constants/english-string-constants.rkt
index 99c047f..3c52beb 100644
--- a/collects/string-constants/english-string-constants.rkt
+++ b/collects/string-constants/english-string-constants.rkt
@@ -981,6 +981,7 @@ please adhere to these guidelines:
   
   ; ~a is filled with the teachpack's name; the message appears in the teachpack selection dialog when a user installs a new teachpack
   (compiling-teachpack "Compiling ~a teachpack ...")
+  (teachpack-pre-installed "Preinstalled Teachpacks")
   (teachpack-pre-installed/htdp "Preinstalled HtDP Teachpacks")
   (teachpack-pre-installed/2htdp "Preinstalled HtDP/2e Teachpacks")
   (teachpack-user-installed "User-installed Teachpacks")