[flexcoders] Centreing the Initial Preloader

[Karim Beyrouti]

Hello Flexcoders, 

I have an AIR app ( desktop AIR 2.7 / Spark App ) - and the initial preloaded 
is not centred. Now - this is not essential - but it's bugging me. Any know how 
to centre the initial/default preloader ?.

Thanks in advance.

- karim