Fix arch parsing on external-binaries.cfg
This fixes an issue prefix= and filename= were provided but no architecture specified.
Signed-off-by: Andre Moreira Magalhaes (andrunko) andre.magalhaes@collabora.co.uk
This fixes an issue prefix= and filename= were provided but no architecture specified.
Signed-off-by: Andre Moreira Magalhaes (andrunko) andre.magalhaes@collabora.co.uk