[OpenSIPS-Devel] [OpenSIPS/opensips] 853998: Fix proper testing of context content

[Bogdan-Andrei Iancu]

  Branch: refs/heads/2.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 853998c0c950b087e924844f9015dd57bbdb89ce
      https://github.com/OpenSIPS/opensips/commit/853998c0c950b087e924844f9015dd57bbdb89ce
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2016-06-17 (Fri, 17 Jun 2016)

  Changed paths:
    M modules/rr/loose.c

  Log Message:
  -----------
  Fix proper testing of context content

If a STR is register to the context, a valid STR * will be always returned , so we need to test the content, not the pointer.

(cherry picked from commit 968a8a807c102a6d53f2bc831cde74c79ee754a9)