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-rw-r--r--src/include/utils/snapmgr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index 371042a6077..6a80f0ba550 100644
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -20,7 +20,7 @@
/* GUC variables */
-extern int old_snapshot_threshold;
+extern PGDLLIMPORT int old_snapshot_threshold;
extern Size SnapMgrShmemSize(void);