mpkg: pkg_install, pkg_remove: fix $dep scope.
mpkg: pkg_install, pkg_remove: fix $dep scope.

The scope for $dep MUST be local. Functions can be called recursively.

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

gazoo74/mpkg,gazoo74/mpkg