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-rw-r--r--src/backend/storage/lmgr/s_lock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/storage/lmgr/s_lock.c b/src/backend/storage/lmgr/s_lock.c
index e8d35027751..1a5575782b9 100644
--- a/src/backend/storage/lmgr/s_lock.c
+++ b/src/backend/storage/lmgr/s_lock.c
@@ -156,7 +156,7 @@ s_lock(volatile slock_t *lock, const char *file, int line)
#ifdef USE_DEFAULT_S_UNLOCK
void
-s_unlock(slock_t *lock)
+s_unlock(volatile slock_t *lock)
{
#ifdef TAS_ACTIVE_WORD
/* HP's PA-RISC */