[OpenSIPS-Devel] [OpenSIPS/opensips] 845579: fix: some sh(busybox) do not support syntax of `$(...

[wxf]

  Branch: refs/heads/1.11
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 845579820673870ef3b44d5709248e465877ab54
      https://github.com/OpenSIPS/opensips/commit/845579820673870ef3b44d5709248e465877ab54
  Author: wxf <xiaofeng.wang at bqvision.com>
  Date:   2015-10-20 (Tue, 20 Oct 2015)

  Changed paths:
    M scripts/opensipsctl

  Log Message:
  -----------
  fix: some sh(busybox) do not support syntax of `$(< file)'

(cherry picked from commit ffb25541b6bf4ee841072787f2a09c06c4885ab1)