[439871] Fix bug introduced by 103036c5cf

The new version of isAroundPoint() was not strictly equivalent to the
previous one: it used "<" instead of "<=" to compare the actual distance
and the maximum allowed distance.

Bug: 439871
Change-Id: I1b8da9f8f0509ae530455720e99df9a152ea4bc6
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>