Print new OldestXID value in pg_resetwal when it's being changed

Commit 74cf7d4 added the --oldest-transaction-id option to pg_resetwal, but forgot to update the code that prints all the new values that are being set. Fix that. Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://www.postgresql.org/message-id/5461bc85-e684-4531-b4d2-d2e57ad18cba@iki.fi Backpatch-through: 14

Author: hlinnaka

src/bin/pg_resetwal/pg_resetwal.c

@@ -839,6 +839,10 @@ PrintNewControlValues(void)
 {
 printf(_("NextXID: %u\n"),
  XidFromFullTransactionId(ControlFile.checkPointCopy.nextXid));
+}
+
+if (set_oldest_xid != 0)
+{
 printf(_("OldestXID: %u\n"),
  ControlFile.checkPointCopy.oldestXid);
 printf(_("OldestXID's DB: %u\n"),