Fix test

Author: kornelski

Diff for: rmp/tests/func/decode/mod.rs

@@ -12,4 +12,4 @@ mod uint;
 #[cfg(feature = "std")]
 pub type Cursor<'a> = std::io::Cursor<&'a [u8]>;
 #[cfg(not(feature = "std"))]
-pub type Cursor<'a> = crate::msgpack::decode::Bytes<'a>;
+pub type Cursor<'a> = rmp::decode::Bytes<'a>;