David Cermak 4959b0a213 lwip: Fix close() might block forever if SO_LINGER=y
* Update submodule: git log --oneline ec115c720b8909364ec5898dc5cc430cc898192d..316cfc17ce24f2d5d65c9f28251ec43a59a74cb1

Detailed description of the changes:
  - tcp/close: Fix clean socket closure when lignering (espressif/esp-lwip@316cfc17)
  - tcp_in: Fix incomplete closure if linger active (espressif/esp-lwip@8b599aa1)
  - ci: Introduce lwip test apps (espressif/esp-lwip@0866f578)
2022-09-19 07:21:21 +02:00
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