[h-e-w] 23.1.1: Maximize, minimize, maximize leaves emacs under side-taskbar in Windows XP

[Rolf Campbell]

Steps to reproduce:
1) Move your Windows taskbar to the left or right side of the screen.
2) Maximize emacs using the button in it's title bar.
3) Minimize emacs using the button in it's title bar.
4) Restore emacs to it's maximized state by clicking on it's button it 
the Windows XP taskbar.

Result: The Emacs windows goes *under* the taskbar.

Expected result: The Emacs windows should be in the same location as 
when it was first maximized.