Auto merge of #26532 - servo:dependabot/cargo/clang-sys-0.28.1, r=jdm
Auto merge of #26532 - servo:dependabot/cargo/clang-sys-0.28.1, r=jdm

Bump clang-sys from 0.28.0 to 0.28.1

Bumps [clang-sys](https://github.com/KyleMayes/clang-sys) from 0.28.0 to 0.28.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/KyleMayes/clang-sys/blob/master/CHANGELOG.md">clang-sys's changelog</a>.</em></p>
<blockquote>
<h2>[0.28.1] - 2019-07-28</h2>
<h3>Changed</h3>
<ul>
<li>Bumped <code>glob</code> version to <code>0.3.0</code></li>
<li>Improved error message when an invocation of an executable is not successful</li>
<li>Allowed <code>LIBCLANG_PATH</code> to refer to a specific <code>libclang</code> instance (e.g.,
<code>/usr/local/lib/libclang.so.10</code>)</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Fixed
<a href="https://github.com/llvm-mirror/clang/commit/90d6722bdcbc2af52306f7e948c556ad6185ac48"><code>libclang-cpp</code></a>
being linked instead of <code>libclang</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/fe178611deda9a819ecf26995258bc00bc342644"><code>fe17861</code></a> Bump version</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/e6372d73c82ed3f77ba464ee7b1820ce1dff77c7"><code>e6372d7</code></a> Allow LIBCLANG_PATH to refer to a specific libclang instance</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/0f12c6fc8004cf4c53da3f3472e850845f5a9edb"><code>0f12c6f</code></a> Improve error message for failed executable invocations</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/32eaefa0ce39859c5a875eb64d08d3f0a6806a39"><code>32eaefa</code></a> Update Appveyor CI</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/9ded894edb1f1aab11ebff7b3e07c844240b7589"><code>9ded894</code></a> Fix conflict caused by libclang-cpp</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/e3a9fb35d8c10663518538fa48a3e135ca6157f5"><code>e3a9fb3</code></a> Refactor</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/75ee92acab5e0a082505ee567770f2f10e8130c7"><code>75ee92a</code></a> Run rustfmt</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/5795507f82e93a2522a3c4f0211e2c4c4fbe725c"><code>5795507</code></a> Replace OS X with macOS</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/ec2625cf4225c02dbb0909f3d4768436b497298c"><code>ec2625c</code></a> Update CHANGELOG.md</li>
<li><a href="https://github.com/KyleMayes/clang-sys/commit/a562e9a478b6bc3780adb0cbcdf6872d3d6aa57c"><code>a562e9a</code></a> Update glob to 0.3 (<a href="https://github-redirect.dependabot.com/KyleMayes/clang-sys/issues/90">#90</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/KyleMayes/clang-sys/compare/v0.28.0...v0.28.1">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=clang-sys&package-manager=cargo&previous-version=0.28.0&new-version=0.28.1)](https://dependabot.com/compatibility-score/?dependency-name=clang-sys&package-manager=cargo&previous-version=0.28.0&new-version=0.28.1)

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