Auto merge of #1415 - emilio:clang-sys-up, r=emilio

Update clang-sys.
diff --git a/Cargo.lock b/Cargo.lock
index d67dfdd..830dde2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,12 +26,12 @@
 
 [[package]]
 name = "bindgen"
-version = "0.42.0"
+version = "0.42.1"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cexpr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "clang-sys 0.24.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clang-sys 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "diff 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -70,7 +70,7 @@
 
 [[package]]
 name = "clang-sys"
-version = "0.24.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -355,7 +355,7 @@
 "checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
 "checksum cexpr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11e4ce3f8d123356f09418d68d49ef901fae19cf16edaba7bf0c6e0f09540577"
 "checksum cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4e7bb64a8ebb0d856483e1e682ea3422f883c5f5615a90d51a2c82fe87fdd3"
-"checksum clang-sys 0.24.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f756e547a6628ac81783d716f693505d7f2cd9df0a4c0ab581b279191fdfb637"
+"checksum clang-sys 0.26.0 (registry+https://github.com/rust-lang/crates.io-index)" = "778ca7c912184f2012124f2dfe40592c4a9edf608b9bf68a9927c8f52e8082bc"
 "checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
 "checksum diff 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "3c2b69f912779fbb121ceb775d74d51e915af17aaebc38d28a592843a2dd0a3a"
 "checksum env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)" = "15b0a4d2e39f8420210be8b27eeda28029729e2fd4291019455016c348240c38"
diff --git a/Cargo.toml b/Cargo.toml
index f331f18..094c1c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@
 repository = "https://github.com/rust-lang-nursery/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
 homepage = "https://rust-lang-nursery.github.io/rust-bindgen/"
-version = "0.42.0"
+version = "0.42.1"
 build = "build.rs"
 
 include = [
@@ -48,7 +48,7 @@
 cfg-if = "0.1.0"
 # This kinda sucks: https://github.com/rust-lang/cargo/issues/1982
 clap = "2"
-clang-sys = { version = "0.24", features = ["runtime", "clang_6_0"] }
+clang-sys = { version = "0.26", features = ["runtime", "clang_6_0"] }
 lazy_static = "1"
 peeking_take_while = "0.1.2"
 quote = { version = "0.5", default-features = false }