build: Use meson.current_source_dir() instead of source_root()
The latter doesn’t work well when building as a subproject — it explicitly refers to the parent project root.
Signed-off-by: Philip Withnall withnall@endlessm.com
The latter doesn’t work well when building as a subproject — it explicitly refers to the parent project root.
Signed-off-by: Philip Withnall withnall@endlessm.com