Change xlog.h to xlogdefs.h in bufpage.h, and fix fallout.

Alvaro Herrera <alvherre@alvh.no-ip.org>

Commit: e4ca6cac434f3bb71b23ee7e5ddbf64eea89cce2
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2008-06-06T22:35:22Z
Releases: 8.4.0
Change xlog.h to xlogdefs.h in bufpage.h, and fix fallout.

Files