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Author: Mattia Rizzolo <firstname.lastname@example.org>
Date: Fri Jan 22 11:13:41 2021 +0100
Add a fake version restriction to the imagemagick build-dependency
This is a workaround for #413954 in graphicsmagick, that it is lying
about providing the same imagemagick interface but missing the `compare`
tool, which is required here.
Signed-off-by: Mattia Rizzolo <email@example.com>