Trivial whitespace changes to debian/copyright.
Trivial whitespace changes to debian/copyright.

Signed-off-by: Chris Lamb <711c73f64afdce07b7e38039a96d2224209e9a6c@chris-lamb.co.uk>

lamby/pkg-swi-prolog,lamby/pkg-swi-prolog,lamby/pkg-swi-prolog,lamby/pkg-swi-prolog,lamby/pkg-swi-prolog,lamby/pkg-swi-prolog