p2p: fix ecies dependency in tests

We forgot to update this reference when moving ecies into the go-ethereum repo.
ethereum · obscuren · Feb 17, 2015 · Feb 17, 2015 · Feb 17, 2015 · Feb 17, 2015
commit 34d0e1b2c32d1bfe3aaa8519cf760ce499315ad5
diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
diff --git a/Godeps/_workspace/src/github.com/obscuren/ecies/.gitignore b/Godeps/_workspace/src/github.com/obscuren/ecies/.gitignore
diff --git a/Godeps/_workspace/src/github.com/obscuren/ecies/LICENSE b/Godeps/_workspace/src/github.com/obscuren/ecies/LICENSE
diff --git a/Godeps/_workspace/src/github.com/obscuren/ecies/README b/Godeps/_workspace/src/github.com/obscuren/ecies/README