Replace stack-trace-on-error usage in calendar.

* lisp/calendar/diary-lib.el (diary-sexp-entry):
* lisp/calendar/holidays.el (holiday-sexp):
Set debug-on-error rather than the removed stack-trace-on-error.

lisp/ChangeLog

+2011-04-17  Glenn Morris  <rgm@gnu.org>
+
+	* calendar/diary-lib.el (diary-sexp-entry):
+	* calendar/holidays.el (holiday-sexp):
+	Set debug-on-error rather than the removed stack-trace-on-error.
+
 2011-04-16  Glenn Morris  <rgm@gnu.org>
 
 	* progmodes/f90.el: Use lexical-binding.

lisp/calendar/diary-lib.el

@@ -1353,7 +1353,7 @@ diary entries."
 (defun diary-sexp-entry (sexp entry date)
   "Process a SEXP diary ENTRY for DATE."
   (let ((result (if calendar-debug-sexp
-                    (let ((stack-trace-on-error t))
+                    (let ((debug-on-error t))
                       (eval (car (read-from-string sexp))))
                   (condition-case nil
                       (eval (car (read-from-string sexp)))

lisp/calendar/holidays.el

@@ -462,7 +462,7 @@ The holidays are those in the list `calendar-holidays'."
     (sort
      (dolist (p calendar-holidays res)
        (if (setq h (if calendar-debug-sexp
-                       (let ((stack-trace-on-error t))
+                       (let ((debug-on-error t))
                          (eval p))
                      (condition-case nil
                          (eval p)