Auto merge of #477 - Manishearth:no-test-publish, r=fitzgen

Don't publish tests

See https://bugzilla.mozilla.org/show_bug.cgi?id=1336655

r? @emilio @fitzgen

Author: bors-servo

Cargo.lock

@@ -13,9 +13,11 @@ name = "bindgen"
 readme = "README.md"
 repository = "https://github.com/servo/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
-version = "0.21.0"
+version = "0.21.1"
 build = "build.rs"
 
+exclude = ["tests/headers", "tests/expectations"]
+
 [badges]
 travis-ci = { repository = "servo/rust-bindgen" }