pgsql: Fix s_lock_test compile - Mailing list pgsql-committers

Fix s_lock_test compile

This is a mostly unused tool, but I discovered while nosing around the
Makefile that it hasn't been kept in line with other changes.  Fix it.

Backpatching doesn't appear to be necessary.

Discussion: https://postgr.es/m/202401241114.ied53jcich72@alvherre.pgsql

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/46778187f5373f6072b58d5e4c298b775333a37c

Modified Files
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src/backend/storage/lmgr/Makefile | 2 +-
src/backend/storage/lmgr/s_lock.c | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)