devel/glib20: unbreak GTKDOC=on after 8cef7ff47def
> Checking for pkg-plist issues (check-plist)
> Parsing plist
> Checking for items in STAGEDIR missing from pkg-plist
Error: Orphaned: share/gtk-doc/html/gobject/gtype-non-instantiatable-non-classed.html
> Checking for items in pkg-plist which are not in STAGEDIR
Error: Missing: share/gtk-doc/html/gobject/gtype-non-instantiatable-classed.html
> Error: Plist issues found.
- Error code 1