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

Index: $PLTHOME/collects/string-constants/english-string-constants.ss
===================================================================
--- $PLTHOME/collects/string-constants/english-string-constants.ss	(revision 5892)
+++ $PLTHOME/collects/string-constants/english-string-constants.ss	(working copy)
@@ -416,6 +416,7 @@
  (online-coloring-active "Color syntax interactively")
  (open-files-in-tabs "Open files in separate tabs (not separate windows)")
  (show-interactions-on-execute "Automatically open interactions window when running a program")
+  (switch-to-module-language-automatically "Automatically switch to the module language when opening a module")
  (limit-interactions-size "Limit interactions size")
  (background-color "Background Color")
  (default-text-color "Default text") ;; used for configuring colors, but doesn't need the word "color"