pgsql: aio: Fix reference to outdated name

aio: Fix reference to outdated name

Reported-by: Antonin Houska <ah@cybertec.at>
Author: Antonin Houska <ah@cybertec.at>
Discussion: https://postgr.es/m/5250.1751266701@localhost
Backpatch-through: 18, where da7226993fd4 introduced this

Branch
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REL_18_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/95163cbe111cd75121482281492f8db5df78d31f

Modified Files
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src/include/storage/aio_types.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)