All moneys heretofore properly credited to or accruing to any special fund heretofore created out of any portion of the expendable income from the land grant of one hundred fifty thousand (150,000) acres aforesaid, for the support or maintenance of the Idaho State University, the State Juvenile Corrections Center, State Hospital North, Division of Veterans Services and the State School for the Deaf and the Blind, respectively, or any of such institutions, together with all funds hereafter accruing under this act to the funds designated in section 66-1106, Idaho Code, are hereby appropriated for the maintenance of said institutions, respectively, and no portion of said funds shall be diverted to any other purpose or transferred to any other fund: provided, that no provision hereof shall be so construed as to preclude the state controller from correcting errors in the apportionment of receipts or distribution of disbursements heretofore or hereafter erroneously credited or charged to any of such funds.