pgsql: Fix incorrect comments in hmac.c and hmac_openssl.c - Mailing list pgsql-committers

Fix incorrect comments in hmac.c and hmac_openssl.c

Both files referred to pg_hmac_ctx->data, which, I guess, comes from the
early versions of the patch that has resulted in commit e6bdfd9.

Author: Sergey Shinderuk
Discussion: https://postgr.es/m/8cbb56dd-63d6-a581-7a65-25a97ac4be03@postgrespro.ru
Backpatch-through: 14

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/87f29f4fcc4e53fe0331e338437edda1f1927530

Modified Files
--------------
src/common/hmac.c         | 4 +---
src/common/hmac_openssl.c | 4 +---
2 files changed, 2 insertions(+), 6 deletions(-)