fix shutdown crash

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9527 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/loggers/mod_console/mod_console.c

@@ -342,7 +342,9 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_console_shutdown)
 {
 
 	switch_log_unbind_logger(switch_console_logger);
+	if (log_hash) {
 		switch_core_hash_destroy(&log_hash);
+	}
 
 	RUNNING = 0;
 	return SWITCH_STATUS_UNLOAD;