res_pjsip_history.c: Fix to stop SIGSEGV when IPv6 addresses are encountered.

Changed source and destination address fields in struct
pjsip_history_entry so that they are long enough to hold an IPv6
address.

ASTERISK-28854

Change-Id: Id65bb9aa961e9ecbcb500815e18170f774e34d3e

res/res_pjsip_history.c

@@ -66,9 +66,9 @@ struct pjsip_history_entry {
 	/*! \brief Time the packet was transmitted/received */
 	struct timeval timestamp;
 	/*! \brief Source address */
-	pj_sockaddr_in src;
+	pj_sockaddr src;
 	/*! \brief Destination address */
-	pj_sockaddr_in dst;
+	pj_sockaddr dst;
 	/*! \brief Memory pool used to allocate \c msg */
 	pj_pool_t *pool;
 	/*! \brief The actual SIP message */