[OpenSIPS-Devel] [OpenSIPS/opensips] 921fa4: Some missing extern var declaration

[Bogdan Andrei IANCU]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 921fa4fad2b6b22b2204b40e97daad917694947e
      https://github.com/OpenSIPS/opensips/commit/921fa4fad2b6b22b2204b40e97daad917694947e
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2023-03-20 (Mon, 20 Mar 2023)

  Changed paths:
    M net/net_tcp.h

  Log Message:
  -----------
  Some missing extern var declaration

Fixes 381f9cfeecda402bbd2d6d972a23436d4a2b6b30