res_pjsip_registrar.c: Fix compiler error.

Need to include signal.h to define pthread_kill() and SIGURG.

Change-Id: I10ae3aa4bf8e7386ac29ade78c0f2caed8e674fa

diff --git a/res/res_pjsip_registrar.c b/res/res_pjsip_registrar.c
index d8407650430f638e174529ac1b02a595f19c58f1..a5d9b7421a4db4a986cc47a2e427817649218cc1 100644 (file)
--- 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>