Add missing import

LEPILLER JulienMon Oct 23 09:29:42+0200 2017

d4e4935

Add missing import

more/packages/binary.scm

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  #:use-module (guix build-system python)
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  #:use-module (gnu packages compression)
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  #:use-module (gnu packages glib)
30+
  #:use-module (gnu packages libffi)
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  #:use-module (gnu packages multiprecision)
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  #:use-module (gnu packages pkg-config)
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  #:use-module (gnu packages python)