Merge pull request #423 from ZomgPonies/master

Emergency GC fix for reagents

code/modules/reagents/Chemistry-Holder.dm

@@ -640,3 +640,10 @@ datum
 atom/proc/create_reagents(var/max_vol)
 	reagents = new/datum/reagents(max_vol)
 	reagents.my_atom = src
+
+/datum/reagents/Destroy()
+	for(var/datum/reagent/reagent in reagent_list)
+		reagent.Destroy()
+
+	if(my_atom)
+		my_atom = null

code/modules/reagents/Chemistry-Reagents.dm

@@ -3989,4 +3989,10 @@ datum
 
 */
 // Undefine the alias for REAGENTS_EFFECT_MULTIPLER
-#undef REM
+#undef REM
+
+
+/datum/reagent/Destroy()
+	if(holder)
+		holder.reagent_list -= src
+		holder = null