hts_set_fai_filename returns -1 when file not found
hts_set_fai_filename returns -1 when file not found

arq5x/bedtools2,arq5x/bedtools2,arq5x/bedtools2,arq5x/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,jmarshall/bedtools2,arq5x/bedtools2,jmarshall/bedtools2