devel/libepoll-shim: update to 0.0.20200602

[jbeich]

Summary

See ChangeLog

Test Plan

• x11-drivers/xf86-input-libinput via mouse/keyboard
• x11-wm/sway via mouse/keyboard
• www/firefox + export MOZ_ENABLE_WAYLAND=1
• lang/gcc9 (mimics powerpc*)
• make test

poudriere bulk -t passed:

• 11.3 aarch64/amd64/armv6/i386
• 12.1 aarch64/amd64/armv6/armv7/i386
• 13.0 amd64/i386
• All consumers (11 total)

[manu]

Changing the uptream should be noted in the commit message.
I think that we should do it, there is no need of keeping the FreeBSDDesktop repo as only sync goes into it.
Yes apparently years ago the upstream developper vanished but he's back now and porting it to other BSDs too.

[jbeich]

• Update to pick up header fix for -D_POSIX_C_SOURCE=200809L

In D25052#552866, @manu wrote:

Changing the uptream should be noted in the commit message.

Done. See Revision Contents -> Commits -> Summary -> Show More...

[zeising]

approved