Auto merge of rust-windowing#92 - servo:foundation, r=pcwalton

Properly depend on core-foundation-rs 0.2.2 and cocoa 0.4.1

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Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "servo-glutin"
-version = "0.4.20"
+version = "0.4.21"
 authors = ["The glutin contributors, Pierre Krieger <pierre.krieger1708@gmail.com>"]
 description = "Cross-platform OpenGL context provider."
 keywords = ["windowing", "opengl"]
@@ -46,8 +46,8 @@ objc = "0.2"
 [target.x86_64-apple-darwin.dependencies]
 objc = "0.2"
 cgl = "0.1"
-cocoa = "0.4.0"
-core-foundation = "0"
+cocoa = "0.4.1"
+core-foundation = "0.2.2"
 core-graphics = ">=0.2, <0.4"
 
 [target.i686-pc-windows-gnu.dependencies]