[OpenSIPS-Devel] [OpenSIPS/opensips] ce47e8: rtp_relay: fix rtp_relay_engage() example syntax

[Răzvan Crainea]

  Branch: refs/heads/3.2
  Home:   https://github.com/OpenSIPS/opensips
  Commit: ce47e815fceeee0857ca87af61e9fc8faf69f064
      https://github.com/OpenSIPS/opensips/commit/ce47e815fceeee0857ca87af61e9fc8faf69f064
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2021-06-08 (Tue, 08 Jun 2021)

  Changed paths:
    M modules/rtp_relay/doc/rtp_relay_admin.xml

  Log Message:
  -----------
  rtp_relay: fix rtp_relay_engage() example syntax

(cherry picked from commit f6687cb5d857d477ef001b42652e6015b357106f)