Bump to clang-sys 0.28

cexpr-fix-metadata.diff

@@ -0,0 +1,8 @@
+--- cexpr-0.3.4/Cargo.toml      1970-01-01T01:00:00+01:00
++++ cexpr-0.3.4/Cargo.toml      2019-03-17T17:31:42.133687+01:00
+@@ -23,4 +23,4 @@
+ version = "^4"
+ features = ["verbose-errors"]
+ [dev-dependencies.clang-sys]
+-version = ">= 0.13.0, < 0.28.0"
++version = ">= 0.13.0, < 0.29.0"

rust-cexpr.spec

@@ -7,13 +7,16 @@
 
 Name:           rust-%{crate}
 Version:        0.3.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        C expression parser and evaluator
 
 # Upstream license specification: Apache-2.0/MIT
 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
+Source0:        %{crates_source}
+# Initial patched metadata
+# - Bump clang-sys to 0.28.0 https://github.com/jethrogb/rust-cexpr/pull/13
+Patch0:         cexpr-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -21,7 +24,7 @@ BuildRequires:  rust-packaging
 BuildRequires:  (crate(nom/default) >= 4.0.0 with crate(nom/default) < 5.0.0)
 BuildRequires:  (crate(nom/verbose-errors) >= 4.0.0 with crate(nom/verbose-errors) < 5.0.0)
 %if %{with check}
-BuildRequires:  (crate(clang-sys/default) >= 0.13.0 with crate(clang-sys/default) < 0.28.0)
+BuildRequires:  (crate(clang-sys/default) >= 0.13.0 with crate(clang-sys/default) < 0.29.0)
 %endif
 
 %global _description \
@@ -70,6 +73,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Mar 17 2019 Robert-André Mauchin <zebob.m@gmail.com> - 0.3.4-3
+- Bump to clang-sys 0.28
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.4-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild