Fix incorrect format placeholders

Author: petere

src/backend/storage/ipc/standby.c

@@ -1347,15 +1347,15 @@ LogCurrentRunningXacts(RunningTransactions CurrRunningXacts)
 
 	if (CurrRunningXacts->subxid_overflow)
 		elog(trace_recovery(DEBUG2),
-			 "snapshot of %u running transactions overflowed (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
+			 "snapshot of %d running transactions overflowed (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
 			 CurrRunningXacts->xcnt,
 			 LSN_FORMAT_ARGS(recptr),
 			 CurrRunningXacts->oldestRunningXid,
 			 CurrRunningXacts->latestCompletedXid,
 			 CurrRunningXacts->nextXid);
 	else
 		elog(trace_recovery(DEBUG2),
-			 "snapshot of %u+%u running transaction ids (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
+			 "snapshot of %d+%d running transaction ids (lsn %X/%X oldest xid %u latest complete %u next xid %u)",
 			 CurrRunningXacts->xcnt, CurrRunningXacts->subxcnt,
 			 LSN_FORMAT_ARGS(recptr),
 			 CurrRunningXacts->oldestRunningXid,