[Xmonad] darcs patch: ManageDocks now handles STRUT windows as well

[Don Stewart]

mail:
> Sun Oct  7 12:31:16 CEST 2007  mail at joachim-breitner.de
>   * ManageDocks now handles STRUT windows as well
>   It now also detects window with STRUT set and modifies the gap accordingly.
>   Cheveats:
>    * Only acts on STRUT apps on creation, not if you move or close them
>    * To reset the gap, press Mod-b twice and restart xmonad (Mod-q)

Applied.