[OpenSIPS-Devel] [OpenSIPS/opensips] b150a6: Convert warnings to errors when runing travis

[Razvan Crainea]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: b150a657fd1fdd6e7dd9a6a166b17ca4be744a6b
      https://github.com/OpenSIPS/opensips/commit/b150a657fd1fdd6e7dd9a6a166b17ca4be744a6b
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2016-10-04 (Tue, 04 Oct 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Convert warnings to errors when runing travis

This allows us to catch warnings as soon as possible