Close libsrtp properly

Ensure that libsrtp is shutdown properly when res_srtp is unloaded.

(closes issue ASTERISK-21719)
Reported by: Corey Farrell
Patches:
    res_srtp-library-shutdown.patch uploaded by Corey Farrell
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Merged revisions 388529 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 388530 from http://svn.asterisk.org/svn/asterisk/branches/11

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@388531 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_srtp.c b/res/res_srtp.c
index 549a1ea..dea222b 100644 (file)
--- a/res/res_srtp.c
+++ b/res/res_srtp.c
@@ -546,6 +546,7 @@ static void res_srtp_shutdown(void)
 {
        srtp_install_event_handler(NULL);
        ast_rtp_engine_unregister_srtp();
+       srtp_shutdown();
        g_initialized = 0;
 }