catalysis recipe fixes

prototypes/oil-updates.lua

@@ -14,6 +14,7 @@ local recipes_to_update = {
 
 local prefix = "catalyzed-"
 for i, recipe_name in pairs(recipes_to_update) do
+  if data.raw.recipe[recipe_name] then
     -- create a copy of the recipe
     local r = futil.table.deepcopy(data.raw.recipe[recipe_name])
     new_name = prefix..r.name
@@ -45,5 +46,6 @@ for i, recipe_name in pairs(recipes_to_update) do
     for j, fluid in pairs({"heavy-oil", "light-oil", "petroleum-gas"}) do
       util.add_to_ingredient(recipe_name, fluid, 10)
     end
+  end
 end
 end