Fix return value and const declaration from commit 978f869b99
This fixes the non-OpenSSL compile case.
Reported-by: buildfarm member sifaka
Backpatch-through: master
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/945083b2f7e6c19c8921c655cac6778acb1e3e03
Modified Files
--------------
src/common/cipher.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)