Log Message:
libfilezilla: Update to 0.24.1.

While here fix the build on SunOS, based on patches in joyent/pkgsrc#266
from mrferda.

0.24.1 (2020-08-27)

- fz::to_integral can now handle strongly typed enum return types

0.24.0 (2020-08-21)

+ Added fz::equal_consttime
- fz::sprintf now works corrcetly if arguments are passed as (w)string_view

0.23.0 (2020-07-07)

+ Added reader/writer locks
- fz::mkdir can now return the the longest created path in case of partial failures