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

The first two strings were added only yesterday.  The third one has
been around longer and has already been translated by some people...

Philippe

Index: $PLTHOME/collects/string-constants/english-string-constants.ss
===================================================================
--- $PLTHOME/collects/string-constants/english-string-constants.ss	(revision 11057)
+++ $PLTHOME/collects/string-constants/english-string-constants.ss	(working copy)
@@ -847,11 +847,11 @@
  (scheme-menu-name "S&cheme")
  (execute-menu-item-label "Run")
  (execute-menu-item-help-string "Restart the program in the definitions window")
- (ask-quit-menu-item-label "Ask the program to quit")
+ (ask-quit-menu-item-label "Ask the Program to Quit")
  (ask-quit-menu-item-help-string "Uses break-thread to stop the primary thread of the current evaluation")
- (force-quit-menu-item-label "Force the program to quit")
+ (force-quit-menu-item-label "Force the Program to Quit")
  (force-quit-menu-item-help-string "Uses custodian-shutdown-all to abort the current evaluation")
- (limit-memory-menu-item-label "Limit memory...")
+ (limit-memory-menu-item-label "Limit Memory...")
  (limit-memory-msg-1 "The limit will take effect the next time the program")
  (limit-memory-msg-2 "is Run, and it must be at least 100 megabytes.")
  (limit-memory-unlimited "Unlimited")