Bump to clang-sys 0.26

cexpr-fix-metadata.diff

@@ -1,8 +1,8 @@
---- cexpr-0.3.0/Cargo.toml	1970-01-01T01:00:00+01:00
-+++ cexpr-0.3.0/Cargo.toml	2018-10-04T14:40:18.081705+02:00
+--- cexpr-0.3.0/Cargo.toml	1969-12-31T16:00:00-08:00
++++ cexpr-0.3.0/Cargo.toml	2018-10-08T16:03:37.087519-07:00
 @@ -23,4 +23,4 @@
  version = "^4"
  features = ["verbose-errors"]
  [dev-dependencies.clang-sys]
 -version = "0.11.0"
-+version = "0.24"
++version = "0.26"

rust-cexpr.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.3.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        C expression parser and evaluator
 
 # Upstream license specification: Apache-2.0/MIT
@@ -14,7 +14,7 @@ License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/cexpr
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
-# * Bump clang-sys to 0.24 and fix tests
+# * Bump clang-sys to 0.26 and fix tests
 Patch0:         cexpr-fix-metadata.diff
 Patch0001:      0001-bump-clang-sys-to-0.24.patch
 
@@ -25,7 +25,7 @@ BuildRequires:  rust-packaging
 BuildRequires:  ((crate(nom) >= 4.0.0 with crate(nom) < 5.0.0) with crate(nom/verbose-errors))
 %if %{with check}
 # [dev-dependencies]
-BuildRequires:  (crate(clang-sys) >= 0.24.0 with crate(clang-sys) < 0.25.0)
+BuildRequires:  (crate(clang-sys) >= 0.26.0 with crate(clang-sys) < 0.27.0)
 %endif
 
 %description
@@ -61,5 +61,8 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Mon Oct 08 2018 Josh Stone <jistone@redhat.com> - 0.3.0-2
+- Bump to clang-sys 0.26
+
 * Thu Oct 04 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.3.0-1
 - Initial package