curl: make the -# spaceship bar not wrap the line

curl: make the -# spaceship bar not wrap the line

The fixed-point math made us lose precision and thus a too high index
value could be used for outputting the hashtags which could overwrite
the newline.

The fix increases the precision in the sine table (*100) and the
associated position math.

Reported-by: Andrew Potter
Fixes #4849
Closes #4850