add missing 'static' keyword

diff --git a/src/backend/access/conveyor/conveyor.c b/src/backend/access/conveyor/conveyor.c
index d4dd28086e9543c383857fa0a77049c37abfc104..449ddfac34330a575eb7193a2868c52c936726d8 100644 (file)
--- a/src/backend/access/conveyor/conveyor.c
+++ b/src/backend/access/conveyor/conveyor.c
@@ -909,7 +909,7 @@ ConveyorBeltGetBounds(ConveyorBelt *cb, CBPageNo *oldest_logical_page,
  * created on disk before allocating the segment which follows, so the same
  * rule applies.
  */
-Buffer
+static Buffer
 ConveyorBeltExtend(ConveyorBelt *cb, BlockNumber blkno,
                                   BlockNumber *possibly_not_on_disk_blkno)
 {