The meson conversion lost the <meta> tags providing the go-import,
because the "$pagename" variable lost the .html suffix. Rather
than fix that, just change to using "$pagesrc" instead, as it is a
better fit.
The 404 page also needs to use absolute links to work correctly for
pages in sub-folders.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
08376431b4