append_event must be called while holding the session lock

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@44921 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -2263,10 +2263,9 @@ int manager_event(int category, const char *event, const char *fmt, ...)
 	
 	ast_dynamic_str_thread_append(&buf, 0, &manager_event_buf, "\r\n");	
 	
-	append_event(buf->str, category);
-	
 	/* Append even to master list and wake up any sleeping sessions */
 	AST_LIST_LOCK(&sessions);
+	append_event(buf->str, category);
 	AST_LIST_TRAVERSE(&sessions, s, list) {
 		ast_mutex_lock(&s->__lock);
 		if (s->waiting_thread != AST_PTHREADT_NULL)