int8_to_bignum() middle-endian

[soulne4ny]

pg-bignum/src/bignum.c

Line 54 in 50beda0

value.i[1] = htonl(value.i[1]);

It looks like there you are getting a kind of middle-endian, cause of big-endian means most significant byte is 0, but it is moved from 7th to 4th byte.