Update all ++ repeaters in an entry

* lisp/org.el (org-auto-repeat-maybe): Fix shifting multiple time stamps.

See http://www.mail-archive.com/emacs-orgmode@gnu.org/msg30284.html.

Patch by Andrew Korty

lisp/org.el

@@ -11438,7 +11438,6 @@ This function is run automatically after each state change to a DONE state."
 	 (msg "Entry repeats: ")
 	 (org-log-done nil)
 	 (org-todo-log-states nil)
-	 (nshiftmax 10) (nshift 0)
 	 re type n what ts time to-state)
     (when repeat
       (if (eq org-log-repeat t) (setq org-log-repeat 'state))
@@ -11485,15 +11484,17 @@ This function is run automatically after each state change to a DONE state."
 	       (- (time-to-days (current-time)) (time-to-days time))
 	       'day))
 	     ((equal (match-string 1 ts) "+")
-	      (while (or (= nshift 0)
-			 (<= (time-to-days time) (time-to-days (current-time))))
-		(when (= (incf nshift) nshiftmax)
-		  (or (y-or-n-p (message "%d repeater intervals were not enough to shift date past today.  Continue? " nshift))
-		      (error "Abort")))
-		(org-timestamp-change n (cdr (assoc what whata)))
-		(org-at-timestamp-p t)
-		(setq ts (match-string 1))
-		(setq time (save-match-data (org-time-string-to-time ts))))
+	      (let ((nshiftmax 10) (nshift 0))
+		(while (or (= nshift 0)
+			   (<= (time-to-days time)
+			       (time-to-days (current-time))))
+		  (when (= (incf nshift) nshiftmax)
+		    (or (y-or-n-p (message "%d repeater intervals were not enough to shift date past today.  Continue? " nshift))
+			(error "Abort")))
+		  (org-timestamp-change n (cdr (assoc what whata)))
+		  (org-at-timestamp-p t)
+		  (setq ts (match-string 1))
+		  (setq time (save-match-data (org-time-string-to-time ts)))))
 	      (org-timestamp-change (- n) (cdr (assoc what whata)))
 	      ;; rematch, so that we have everything in place for the real shift
 	      (org-at-timestamp-p t)