fix build

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

rust-futures.spec

@@ -9,6 +9,7 @@ Version:        0.2.1
 Release:        1%{?dist}
 Summary:        Implementation of futures and streams featuring zero allocations
 
+# https://github.com/rust-lang-nursery/futures-rs/issues/1015
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/futures
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
@@ -64,10 +65,7 @@ which use %{crate} from crates.io.
 %endif
 
 %files          devel
-%license LICENSE-MIT LICENSE-APACHE
-%doc README.md CHANGELOG.md
 %{cargo_registry}/%{crate}-%{version}/
-%exclude %{cargo_registry}/%{crate}-%{version}/appveyor.yml
 
 %changelog
 * Fri May 25 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.1-1