mpkg: add $TAROPTS to pkg_extract_metadata and indent.
mpkg: add $TAROPTS to pkg_extract_metadata and indent.

So that it looks like pkg_extract_data...

Signed-off-by: Gaël PORTAY <1666f60cfa201a60b0ea694168a0b6932673170a@gmail.com>

gazoo74/mpkg,gazoo74/mpkg