[Xmonad] Patch to X11, tune up the optimisation a bit

[Donald Bruce Stewart]

Spencer, you want to apply this to X11 ?

-- Don
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New patches:

[-funbox-strict-fields -O2 
Don Stewart <dons at cse.unsw.edu.au>**20070610042816] {
hunk ./X11.cabal 46
+ghc-options: -funbox-strict-fields -O2
}

[strict fields on Rectangle type
Don Stewart <dons at cse.unsw.edu.au>**20070610042922] {
hunk ./Graphics/X11/Xlib/Types.hsc 168
-	rect_x :: Position,
-	rect_y :: Position,
-	rect_width :: Dimension,
-	rect_height :: Dimension
+	rect_x :: !Position,
+	rect_y :: !Position,
+	rect_width :: !Dimension,
+	rect_height :: !Dimension
}

Context:

[TAG Version 1.2.2
Spencer Janssen <sjanssen at cse.unl.edu>**20070530170028] 
Patch bundle hash:
4505e200850abc453c759714f49cf09be2bf7cb3