use the correct url for the swf

stuff/zombie_protagonist_game.md

@@ -3,7 +3,7 @@ title: Zombie Protagonist
 ---
 
 <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="600" height="500" align="middle">
-<param name="movie" value="Zombie.swf"/>
+<param name="movie" value="/assets/zombie_protagonist/Zombie.swf"/>
 <param name="allowScriptAccess" value="always" />
 <param name="quality" value="high" />
 <param name="scale" value="noscale" />