Initialize variable to placate compiler.

Per Nathan Bossart.

Discussion: http://postgr.es/m/FECEE7FC-CB74-45A9-BB24-89FEE52A9585@amazon.com

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index cd553d6e12f5b20813160df90bcd8cc088064827..f547efd2944172ea7c2258006dfa5436d0088e7d 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -9038,7 +9038,7 @@ CreateCheckPoint(int flags)
    XLogRecPtr  last_important_lsn;
    VirtualTransactionId *vxids;
    int         nvxids;
-   int         oldXLogAllowed;
+   int         oldXLogAllowed = 0;
 
    /*
     * An end-of-recovery checkpoint is really a shutdown checkpoint, just