*add* interval timeouts are aligned to each other

git-svn-id: http://tint2.googlecode.com/svn/trunk@325 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/tint.c

@@ -139,6 +139,7 @@ void init_X11()
 
 void cleanup()
 {
+	stop_all_timeouts();
 	cleanup_systray();
 	stop_net();
 	cleanup_panel();