[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 6564)
+++ $PLTHOME/collects/string-constants/english-string-constants.ss	(working copy)
@@ -800,7 +800,8 @@
  (print-interactions "Print Interactions...")
  (new-tab "New Tab")
  (close-tab "Close Tab") ;; must not have any &s in it.
- 
+ (close-tab-amp "&Close Tab") ;; like close-tab, but with an ampersand on the same letter as the one in close-menu-item
+  
  ;;; edit-menu
  (split-menu-item-label "&Split")
  (collapse-menu-item-label "C&ollapse")