Fix incorrect format placeholders

src/backend/access/rmgrdesc/relmapdesc.c

@@ -26,7 +26,7 @@ relmap_desc(StringInfo buf, XLogReaderState *record)
 	{
 		xl_relmap_update *xlrec = (xl_relmap_update *) rec;
 
-		appendStringInfo(buf, "database %u tablespace %u size %u",
+		appendStringInfo(buf, "database %u tablespace %u size %d",
 						 xlrec->dbid, xlrec->tsid, xlrec->nbytes);
 	}
 }

src/backend/access/rmgrdesc/xactdesc.c

@@ -319,7 +319,7 @@ xact_desc_stats(StringInfo buf, const char *label,
 		appendStringInfo(buf, "; %sdropped stats:", label);
 		for (i = 0; i < ndropped; i++)
 		{
-			appendStringInfo(buf, " %u/%u/%u",
+			appendStringInfo(buf, " %d/%u/%u",
 							 dropped_stats[i].kind,
 							 dropped_stats[i].dboid,
 							 dropped_stats[i].objoid);