Patch for iswitchb.el

[Stephen Eglen <S.J.Eglen@damtp.cam.ac.uk>]

Please can someone apply this patch for iswitchb?  Thanks, Stephen

2011-06-04  Stephen Eglen  <stephen@gnu.org>

	* iswitchb.el (iswitchb-window-buffer-p): Use `member' rather 
	than `memq'.  Bug reported by Trevor Spiteri.

*** /Users/stephen/NOBACKUP/compiles/emacs-23.3/lisp/iswitchb.el~	2011-01-08 17:45:14.000000000 +0000
--- /Users/stephen/NOBACKUP/compiles/emacs-23.3/lisp/iswitchb.el	2011-06-04 07:28:22.000000000 +0100
***************
*** 1113,1119 ****
    (interactive)
    (let ((blist (iswitchb-get-buffers-in-frames 'current)))
      ;;If the buffer is visible in current frame, return nil
!     (if (memq buffer blist)
  	nil
        ;;  maybe in other frame or icon
        (get-buffer-window buffer 0) ; better than 'visible
--- 1113,1119 ----
    (interactive)
    (let ((blist (iswitchb-get-buffers-in-frames 'current)))
      ;;If the buffer is visible in current frame, return nil
!     (if (member buffer blist)
  	nil
        ;;  maybe in other frame or icon
        (get-buffer-window buffer 0) ; better than 'visible