Revert "Fix Doxygen warning on nestegg_save_state."
Revert "Fix Doxygen warning on nestegg_save_state."

This reverts commit dc2aae424be3dd0584720271f7c1ef3e36896895.

SingingTree/nestegg,SingingTree/nestegg,kinetiknz/nestegg,SingingTree/nestegg,kinetiknz/nestegg,kinetiknz/nestegg,fallaciousreasoning/nestegg,fallaciousreasoning/nestegg