Changes

Summary

1. Fix crash from invalid smelting recipe. #831 (commit: c1a67fe) (details)

Commit c1a67fe5c9956bf1a1ef59688c8ec893b5845160 by mezz Fix crash from invalid smelting recipe. #831 (commit: c1a67fe)
	src/main/java/mezz/jei/util/ErrorUtil.java (diff)
	src/main/java/mezz/jei/plugins/vanilla/furnace/SmeltingRecipeMaker.java (diff)