Changes

Summary

1. check for null recipe (commit: d16e44f) (details)

Commit d16e44fb817835ba962c10f1fcdc6184ba923afa by andy.t.roo check for null recipe (commit: d16e44f)
	common/buildcraft/factory/TileAutoWorkbench.java (diff)
	common/buildcraft/silicon/TileAssemblyAdvancedWorkbench.java (diff)