[PicForth] Bug+Fix - 2dup

[David McNab]

Hi all

Enclosed is a patch against picforth.fs which fixes:
  - 2dup
     - was incorrectly doing ( x y -- x y x y y )
  - pic'quit
     - changed to just call (quit)
     - my gforth 0.5.0 doesn't have (query)

-- 
Cheers
David
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