[OpenSIPS-Devel] [OpenSIPS/opensips] 47b5dc: fix dangling db conns bug

[ionutrazvanionita]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 47b5dc900efd29f14397807e1947c99540159e26
      https://github.com/OpenSIPS/opensips/commit/47b5dc900efd29f14397807e1947c99540159e26
  Author: ionutrazvanionita <ionutionita at opensips.org>
  Date:   2015-11-24 (Tue, 24 Nov 2015)

  Changed paths:
    M modules/pi_http/http_db_handler.c
    M modules/pi_http/http_fnc.c
    M modules/pi_http/http_fnc.h
    M modules/pi_http/pi_http.c

  Log Message:
  -----------
  fix dangling db conns bug

* database are now started in child_init
* avoid opening db conns in mod_init and leaving them in the db pool because
when fork() shall be done all the processes will use the same db
structure therefore the same tcp connection