SWITCH_DECLARE_GLOBAL_STRING_FUNC allocated stuff have to be freed on module shutdown

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12250 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_portaudio/mod_portaudio.c

@@ -974,6 +974,13 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_portaudio_shutdown)
 
 	switch_event_free_subclass(MY_EVENT_RINGING);
 	
+	switch_safe_free(globals.dialplan);
+	switch_safe_free(globals.cid_name);
+	switch_safe_free(globals.cid_num);
+	switch_safe_free(globals.ring_file);
+	switch_safe_free(globals.hold_file);
+	switch_safe_free(globals.timer_name);
+
 	return SWITCH_STATUS_SUCCESS;
 }