commit 55757fa4ba7c6fb3d153c767d3447604e40c6b8a
Author: Richard C. Gobeille <richard@voidpoint.com>
Date:   Wed Jun 10 10:37:04 2020 -0700

    engine: update libdivide

commit ecd401b96c6b6ce3005c93590a20fa3cadcafcb2
Author: Richard C. Gobeille <richard@voidpoint.com>
Date:   Wed Jun 10 10:00:27 2020 -0700

    audiolib: calculate RateScale using 64-bit math
    
    Fixes terminx/eduke32#67

commit 8b34b1dd32e9c83e5ac3decb0c9e3a7ef02b6b61
Author: Richard C. Gobeille <richard@voidpoint.com>
Date:   Wed Jun 10 08:07:27 2020 -0700

    engine: add divideu64()/divideu64_noinline()

See https://voidpoint.io/terminx/eduke32 for more details.