Log Message:
logswan: update to 2.1.7.

Logswan 2.1.7 (2020-09-17)

- Add a Perl program to generate an example MMDB database for testing
- Add a new test case to exercise the IP geolocation codepaths
- Add support for seccomp on arm
- Add missing test for __NR_mmap, the mmap syscall doesn't exist on arm