org: Fix images failing to display with imagemagick

See also: https://lists.gnu.org/archive/html/emacs-orgmode/2019-09/msg00111.html
Despite the subject of that message thread, the issue also affects
some Linux users.

TINYCHANGE

lisp/org.el

@@ -16755,7 +16755,8 @@ boundaries."
 		    (if (and (car-safe old) refresh)
 			(image-refresh (overlay-get (cdr old) 'display))
 		      (let ((image (create-image file
-						 (and (image-type-available-p 'imagemagick) 'imagemagick)
+						 (and (image-type-available-p 'imagemagick)
+						      width 'imagemagick)
 						 nil
 						 :width width)))
 			(when image