needs update for mplayer2

xmonad floats mplayer by default. However, Debian has switched to
mplayer2, and so on upgrade, it will stop floating. This can be easily
fixed in the user's config file, but here is a patch that avoids
bothering the user with breakage on upgrade.

src/XMonad/Config.hs

@@ -92,6 +92,7 @@ focusedBorderColor = "red"  -- "#ff0000" don't use hex, not <24 bit safe
 manageHook :: ManageHook
 manageHook = composeAll
                 [ className =? "MPlayer"        --> doFloat
+                , className =? "mplayer2"       --> doFloat
                 , className =? "Gimp"           --> doFloat ]
 
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