Change syutil dependency link to point at github.

setup.py

@@ -24,7 +24,7 @@ setup(
         "py-bcrypt",
     ],
     dependency_links=[
-        "git+ssh://git@git.openmarket.com/tng/syutil.git#egg=syutil-0.0.1",
+        "git+ssh://git@github.com:matrix-org/syutil.git#egg=syutil-0.0.1",
     ],
     setup_requires=[
         "setuptools_trial",