Explicit libcore dependency

Ericson2314 · Ericson2314 · commit 27e00df8a092 · 2016-09-06T12:03:55.000-07:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -34,3 +34,7 @@ release_max_level_trace = []
 nightly = []
 use_std = []
 default = ["use_std"]
+
+[dependencies.core]
+git = "https://github.com/RustOS-Fork-Holding-Ground/rust"
+branch = "rustos"
