- Fixes an equip_e related runtime error

- Fixes storage items not updating when you put something in them.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@4447 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/mob/living/carbon/human/inventory.dm

@@ -111,7 +111,8 @@
 				client.screen -= W
 			W.loc = loc
 			W.dropped(src)
-			W.layer = initial(W.layer)
+			if(W)
+				W.layer = initial(W.layer)
 
 	update_action_buttons()
 	return 1