If a deceased partner, leaving minor heirs, shall not have acknowledged a map or plat of such lands as aforesaid, the surviving partner or partners may at any time hereafter acknowledge a map or plat as surviving partner or partners, and cause the same to be filed and recorded according to law; and such acknowledgment, filing and recording, with the acknowledgment of the heirs of full age, if any, shall have the same force and effect as if the same had been done by all the partners in the lifetime of said deceased partner, and before any such land had been sold by such partners.