[OpenSIPS-Devel] [OpenSIPS/opensips] 4933c4: Fixed error message.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/2.2
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 4933c4224326255127239a550590094472c17c4a
      https://github.com/OpenSIPS/opensips/commit/4933c4224326255127239a550590094472c17c4a
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2017-12-20 (Wed, 20 Dec 2017)

  Changed paths:
    M modules/sipmsgops/sipmsgops.c

  Log Message:
  -----------
  Fixed error message.

Properly report the hdr name (PAI or PPI) when hdr fields validation fails

(cherry picked from commit 30d47e65835bacc766ae05257ef50df2e9420468)