[libevent2] version bump 2.1.11-stable
Username: n8v8R
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2435
2.1.8 currently in master && 19.07
2.0.22 currently in 18.06
Username: n8v8R
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2435
2.1.8 currently in master && 19.07
2.0.22 currently in 18.06