[PATCH] Use the correct data type in visibilitymap_get_status

Oversight in a892234f830e which changed the surrouding function to return an
uint8 rather than a bool.
---
 src/backend/access/heap/visibilitymap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/access/heap/visibilitymap.c b/src/backend/access/heap/visibilitymap.c
index 745a04ef26e..e826e8e46c6 100644
--- a/src/backend/access/heap/visibilitymap.c
+++ b/src/backend/access/heap/visibilitymap.c
@@ -364,7 +364,7 @@ visibilitymap_get_status(Relation rel, BlockNumber heapBlk, Buffer *vmbuf)
 	{
 		*vmbuf = vm_readbuf(rel, mapBlock, false);
 		if (!BufferIsValid(*vmbuf))
-			return false;
+			return 0;
 	}
 
 	map = PageGetContents(BufferGetPage(*vmbuf));
-- 
2.50.1


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