samples: . accepts previous comment as-is
When updating a sample configuration with a comment, a dot '.'
in the new comment keeps the previous comment.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
1 reporter_name="Nye Liu"
2 reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"