[OpenSIPS-Devel] [OpenSIPS/opensips] 7e814b: fix validate_dialog cseq checking

[ionutrazvanionita]

  Branch: refs/heads/1.11
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 7e814b21dd807fc0f138fe1ec0f2a182ceb4d02c
      https://github.com/OpenSIPS/opensips/commit/7e814b21dd807fc0f138fe1ec0f2a182ceb4d02c
  Author: ionutrazvanionita <ionutionita at opensips.org>
  Date:   2016-01-04 (Mon, 04 Jan 2016)

  Changed paths:
    M modules/dialog/dlg_handlers.c

  Log Message:
  -----------
  fix validate_dialog cseq checking

If prev_cseq from the dlg_leg is not set, check the
r_cseq

Conflicts:
	modules/dialog/dlg_handlers.c