bug#6825: what-page line count

[Christoph <cschol2112@googlemail.com>]

I can reproduce this with 24.0.50 (r101141) on Windows 7.

emacs -Q
in *scratch* buffer type something
C-a
M-x what-page
Output in minibuffer: Page 1, line 5
C-f
M-x what-page
Output in minibuffer: Page 1, line 6


In GNU Emacs 24.0.50.1 (i386-mingw-nt6.1.7600)
  of 2010-08-19 on MARVIN
Windowing system distributor `Microsoft Corp.', version 6.1.7600
configured using `configure --with-gcc (4.4) --cflags 
-IC:Progra~2GnuWin32include -ID:devel^[macslibXpm-3.5.8include 
-ID:devel^[macslibXpm-3.5.8src'

Important settings:
   value of $LC_ALL: nil
   value of $LC_COLLATE: nil
   value of $LC_CTYPE: nil
   value of $LC_MESSAGES: nil
   value of $LC_MONETARY: nil
   value of $LC_NUMERIC: nil
   value of $LC_TIME: nil
   value of $LANG: ENU
   value of $XMODIFIERS: nil
   locale-coding-system: cp1252
   default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
   tooltip-mode: t
   mouse-wheel-mode: t
   tool-bar-mode: t
   menu-bar-mode: t
   file-name-shadow-mode: t
   global-font-lock-mode: t
   font-lock-mode: t
   blink-cursor-mode: t
   auto-composition-mode: t
   auto-encryption-mode: t
   auto-compression-mode: t
   line-number-mode: t
   transient-mark-mode: t

Recent input:
t e s t C-a M-x w h a t - o <backspace> p a g e <tab>
<return> C-f M-x <up> <return> M-x r e p o r t <tab>
<return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Page 1, line 5
Page 1, line 6

Load-path shadows:
None found.

Features:
(shadow sort gnus-util mail-extr message rfc822 mml easymenu mml-sec
mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mailabbrev mail-utils gmm-utils mailheader
emacsbug tooltip ediff-hook vc-hooks lisp-float-type mwheel dos-w32
disp-table ls-lisp w32-win w32-vars tool-bar dnd fontset image fringe
lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar
mldrag mouse jit-lock font-lock syntax facemenu font-core frame cham
georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese hebrew greek romanian slovak czech european ethiopic
indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple
abbrev button minibuffer faces cus-face files text-properties overlay
md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process multi-tty emacs)