build: gio/glib-unix API is only used internally
build: gio/glib-unix API is only used internally

We expose GObject types, so Requires should contain gobject-2.0.

We consume GIO (and GLib-Unix) types internally, so Requires.private
should contain gio-unix-2.0.

[endlessm/eos-sdk#1298]

endlessm/eos-metrics,endlessm/eos-metrics,endlessm/eos-metrics,endlessm/eos-metrics,endlessm/eos-metrics,endlessm/eos-metrics