Auto merge of #1077 - Eijebong:clang-sys, r=emilio

Update clang-sys to 0.21 and bump version

Author: bors-servo

Cargo.lock

@@ -13,7 +13,7 @@ name = "bindgen"
 readme = "README.md"
 repository = "https://github.com/rust-lang-nursery/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
-version = "0.30.0"
+version = "0.30.1"
 build = "build.rs"
 
 include = [
@@ -44,7 +44,7 @@ cexpr = "0.2"
 cfg-if = "0.1.0"
 # This kinda sucks: https://github.com/rust-lang/cargo/issues/1982
 clap = "2"
-clang-sys = { version = "0.19.0", features = ["runtime", "clang_3_9"] }
+clang-sys = { version = "0.21.0", features = ["runtime", "clang_3_9"] }
 lazy_static = "0.2.1"
 peeking_take_while = "0.1.2"
 quote = "0.3.15"