pgsql: Fix the new ARMv8 CRC code for short and unaligned input.

Fix the new ARMv8 CRC code for short and unaligned input.

The code before the main loop, to handle the possible 1-7 unaligned bytes
at the beginning of the input, was broken, and read past the input, if the
the input was very short.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/3a5e0a91bb324ad2b2b1a0623a3f2e37772b43fc

Modified Files
--------------
src/port/pg_crc32c_armv8.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)