Fix assertion for proper Huffman merge pattern: 0 == 1 modulo 1.

[pspp] / tests / repeating.stat

title 'Test REPEATING DATA utility'.

input program.
data list /x 1 n 3.
repeating data starts=11-20 /continues=2-11 /length=10 /occurs=n 
               /id=1=x /data=name 1-5 (a) number 6-10.
end input program.

begin data.
1 3       foo  1    
1bar  2    
1baz  3
end data.

list.