fix this for now

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14057 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_nat.c

@@ -156,8 +156,9 @@ static int get_pmp_pubaddr(char *pub_addr)
 		goto end;
 	}
 
+
 	pubaddr = inet_ntoa(response.pnu.publicaddress.addr);
-	switch_set_string(pub_addr, pubaddr);
+	switch_set_string(nat_globals.pub_addr, pubaddr);
 	nat_globals.nat_type = SWITCH_NAT_TYPE_PMP;
 	
 	closenatpmp(&natpmp);