res_pjsip_registrar.c: Fix compiler error.

Need to include signal.h to define pthread_kill() and SIGURG. Change-Id: I10ae3aa4bf8e7386ac29ade78c0f2caed8e674fa

res_pjsip_registrar.c: Fix compiler error.
6c5e3226 · Richard Mudgett · 093484d1 · 6c5e3226
Commit 6c5e3226 authored 7 years ago by Richard Mudgett
--- a/res/res_pjsip_registrar.c
+++ b/res/res_pjsip_registrar.c
@@ -25,6 +25,7 @@

 #include "asterisk.h"

+#include <signal.h>
 #include <pjsip.h>
 #include <pjsip_ua.h>