message: Make snafu a dev-dependency
diff: @@ -14,10 +14,11 @@ circle-ci = { repository = "CosmWasm/cosmwasm", branch = "master" }
  maintenance = { status = "actively-developed" }
  [features]
  -# TODO: enable cosmwasm-std/iterator
  iterator = []
  [dependencies]
  cosmwasm-std = { path = "../std" }
  serde = { version = "1.0.103", default-features = false, features = ["derive", "alloc"] }
  +
  +[dev-dependencies]
  snafu = { version = "0.6.3" }
  