Apply suggestion from @tarcieri

Author: tarcieri

ssh-cipher/Cargo.toml

@@ -26,7 +26,7 @@ encoding = { package = "ssh-encoding", version = "0.3.0-rc.8" }
 aead = { version = "0.6.0-rc.10", optional = true, default-features = false }
 aes = { version = "0.9.0-rc.4", optional = true, default-features = false }
 aes-gcm = { version = "0.11.0-rc.3", optional = true, default-features = false, features = ["aes"] }
-cbc = { version = "0.2.0", optional = true }
+cbc = { version = "0.2", optional = true }
 ctr = { version = "0.10.0-rc.4", optional = true, default-features = false }
 chacha20 = { version = "0.10.0-rc.10", optional = true, default-features = false, features = ["cipher", "legacy"] }
 des = { version = "0.9.0-rc.3", optional = true, default-features = false }