Log Message:
Update Webalizer to 2.20.3.

Pkgsrc changes:
 * Change HOMEPAGE to redirected one.
 * Add DESTDIR support (should be since 2.20.1)
 * Change to use --sysconfdir (should be since 2.20.1)
 * Add bzip2 support.
 * GeoIP support was added since 2.20.1, no need extra pach files anymore.
   Fixes PR 40344.
 * Changed to use db4 APIs since 2.20.1, dns support back again.
 * gettext and freetype2 are not used directly, remove dependency.
 * zlib is used directly, add dependency.
 * Honor PKGMANDIR.
 * Change complex PLIST handlings for docs to simply.
 * Change not to use prefix '_' in package specific variables.

Upstream changes:
 This fixes a missing memory dealocation call in the DNS lookup code, a kludge
 to handle largefile support in the current zlib compression code on some
 platforms, and some minor configure script corrections.