Import upstream fix for build failure from missing docs

0001-Document-macro.patch

@@ -0,0 +1,29 @@
+From 5cd2f3066c344415c61e0bd91f23820ec413e49e Mon Sep 17 00:00:00 2001
+From: Alex Crichton <alex@alexcrichton.com>
+Date: Fri, 11 Jan 2019 09:02:32 -0800
+Subject: [PATCH] Document macro
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Jan Staněk <jstanek@redhat.com>
+---
+ src/lib.rs | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/lib.rs b/src/lib.rs
+index ff144f6..e867e65 100644
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -32,6 +32,8 @@
+ #![deny(missing_docs)]
+ #![cfg_attr(test, deny(warnings))]
+
++/// The main macro provided by this crate. See crate documentation for more
++/// information.
+ #[macro_export(local_inner_macros)]
+ macro_rules! cfg_if {
+     // match if/else chains with a final `else`
+--
+2.20.1
+

rust-cfg-if.spec

@@ -7,13 +7,15 @@
 
 Name:           rust-%{crate}
 Version:        0.1.6
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Macro to ergonomically define an item depending on a large number of #[cfg] parameters
 
 # Upstream license specification: MIT/Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/cfg-if
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# https://github.com/alexcrichton/cfg-if/commit/5cd2f3066c344415c61e0bd91f23820ec413e49e
+Patch0001:      0001-Document-macro.patch
 
 ExclusiveArch:  %{rust_arches}
 
@@ -68,6 +70,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Mon Mar 04 2019 Jan Staněk <jstanek@redhat.com> - 0.1.6-5
+- Import upstream fix for build failure from missing docs
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.6-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild