contrib/amcheck needs RecentGlobalXmin to be PGDLLIMPORT'ified.

Per buildfarm.  Maybe some of the other xmin variables in snapmgr.h
ought to get this too, but for the moment I'm just interested in
un-breaking the buildfarm.

diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index ab953669bf2c73c806a1f26aaae211f8714c879b..86c48d9c8eff6ff90bb9635a57d60c2bd9aa4597 100644 (file)
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -58,7 +58,7 @@ extern bool FirstSnapshotSet;
 
 extern TransactionId TransactionXmin;
 extern TransactionId RecentXmin;
-extern TransactionId RecentGlobalXmin;
+extern PGDLLIMPORT TransactionId RecentGlobalXmin;
 extern TransactionId RecentGlobalDataXmin;
 
 extern Snapshot GetTransactionSnapshot(void);