The ref's were wrong, and probably left them on the board simply because they didn't know what else to do.
Section I-Positions
a. When a free throw is awarded, an official shall put the ball in
play by placing it at the disposal of the free throw shooter. The
shooter shall be within the upper half of the free throw circle. The
same procedure shall be followed each time a free throw is
administered.
b. During a free throw for a personal foul, each of the spaces nearest
the endline must be occupied by an opponent of the free throw shooter.
Teammates of the free throw shooter must occupy the next adjacent
spaces on each side. Only one of the third adjacent spaces may be
occupied by an opponent of the free throw shooter. It is not mandatory
that either of the third adjacent spaces be occupied. No teammates of
the free throw shooter are permitted in these spaces.
c. All other players not stationed on the free throw lane must be at
least six feet from the free throw lane lines and three feet from the
free throw circle.
d. If the ball is to become dead after the last free throw, players
shall not take positions along the free throw lane. No players shall
be allowed inside the free throw line extended while a free throw is
being attempted under these conditions.
PENALTIES:
(1) If the violation is by either team and the free throw attempt is
successful or occurs on the first of multiple free throw attempts, it
is ignored.
(2) If the violation is by an opponent of the free throw shooter and
the free throw attempt is unsuccessful, a substitute free throw
attempt is awarded.
(3) If the violation is by a teammate of the free throw shooter, it is
a violation as soon as the free throw is attempted. The ball is
awarded to his opponent at the free throw line extended.
Section II-Shooting of Free Throw
a. The free throw(s) awarded because of a personal foul shall be
attempted by the offended player.
EXCEPTIONS:
(1) If the off ended player is fouled and is subsequently ejected from
the game before shooting the awarded free throw(s), he must
immediately leave the court and another of the four players on the
court will be designated by the opposing coach to shoot such free
throw(s).
(2) if the offended player is injured and cannot shoot the awarded
free throw(s), the opposing coach shall select, from his opponent's
bench, the player who will replace the injured player. That player
will attempt the free throw(s) and the injured player will not be
permitted to re-enter the game. The substitute must remain in the game
until the next dead ball.
(3) If the offended player is injured and unable to shoot the awarded
free throw(s) due to any unsportsmanlike act, his coach may designate
any eligible member of the squad to attempt the free throw(s). The
injured player will be permitted to re-enter the game.
(4) If the offended player is disqualified and unable to shoot the
awarded free throw(s), his coach shall designate an eligible
substitute from the bench. That substitute will attempt the free
throw(s) and cannot be removed until the next dead ball.
(5) Away from play foul (Rule 12B-Section Xa(l).
b. A free throw attempt, personal or technical, shall neither be legal
nor count unless an official handles the ball and is also in the free
throw area when the foul try is attempted.
c. A player awarded two free throws must attempt both even though the
first attempt is nullified by a violation by an offensive player.
Section III-Time Limit
Each free throw attempt shall be made within 10 seconds after the ball
has been placed at the disposal of the free thrower.
Section IV-Next Play
After a successful free throw which is not followed by another free
throw, the ball shall be put into play by a throw-in, as after a field
goal if the try is successful.
EXCEPTION: After a free throw for a foul which occurs during a dead
ball which immediately precedes any period, the ball shall be put into
play by the team entitled to the throw-in in the period which follows
(See Rule 6-Section I-b).
These are the official rules. Basically the ref's were wrong in awarding the 2 points.
