org.el (org-read-date): Bugfix.

* org.el (org-read-date): Bugfix: call `org-eval-in-calendar'
with the 'keepdate parameter set to t when setting the cursor
type.

Thanks to Matt Lundin for reporting this and for the solution.

lisp/org.el

@@ -15126,7 +15126,7 @@ user."
       (save-excursion
 	(save-window-excursion
 	  (calendar)
-	  (org-eval-in-calendar '(setq cursor-type nil))
+	  (org-eval-in-calendar '(setq cursor-type nil) t)
           (unwind-protect
               (progn
 		(calendar-forward-day (- (time-to-days org-def)