bump multiaddr dependency

Author: iostat

Cargo.toml

@@ -117,7 +117,7 @@ multistream-select = { version = "0.13.0", path = "misc/multistream-select" }
 quick-protobuf-codec = { version = "0.2.0", path = "misc/quick-protobuf-codec" }
 quickcheck = { package = "quickcheck-ext", path = "misc/quickcheck-ext" }
 rw-stream-sink = { version = "0.4.0", path = "misc/rw-stream-sink" }
-multiaddr = "0.18.0"
+multiaddr = { git = "https://github.com/multiformats/rust-multiaddr", rev = "a4a4fbd555bdda40a6758fa5e2e3ad69947ffcd7" }
 multihash = "0.19.1"
 
 [patch.crates-io]