Log Message:
ansilove: update to 4.1.1.

ChangeLog:

AnsiLove/C 4.1.1 (2020-05-25)

- Various documentation tweaks and improvements
- Define timespecsub macro in compat.h if it doesn't exists
- Use CLOCK_REALTIME if CLOCK_MONOTONIC is not available
- Display processing time on exit
- Fix includes and add forward declarations in various source files