Added in throwing stuff into disposals, courtesy of SkyMarshal.

(technically this is a hotfix, as I accidentally committed it in r3036.)

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3037 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/recycling/disposal.dm

@@ -368,6 +368,8 @@
 	CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
 		if (istype(mover,/obj/item))
 			var/obj/item/I = mover
+			if(istype(I, /obj/item/weapon/dummy))
+				return
 			if(prob(75))
 				I.loc = src
 				for(var/mob/M in viewers(src))