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-rw-r--r--src/backend/access/transam/xlog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 53e31070e4..ef6e9f254c 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -192,7 +192,7 @@ CheckpointStatsData CheckpointStats;
* ThisTimeLineID will be same in all backends --- it identifies current
* WAL timeline for the database system.
*/
-TimeLineID ThisTimeLineID = 0;
+static TimeLineID ThisTimeLineID = 0;
static XLogRecPtr LastRec;