Fix skip_build

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

rust-byteorder.spec

@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        1.3.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Library for reading/writing numbers in big-endian and little-endian
 
 # Upstream license specification: Unlicense OR MIT
@@ -22,10 +22,12 @@ BuildArch:      noarch
 %endif
 
 BuildRequires:  rust-packaging
+%if ! %{__cargo_skip_build}
 %if %{with check}
 BuildRequires:  (crate(quickcheck) >= 0.8.0 with crate(quickcheck) < 0.9.0)
 BuildRequires:  (crate(rand/default) >= 0.6.0 with crate(rand/default) < 0.7.0)
 %endif
+%endif
 
 %global _description %{expand:
 Library for reading/writing numbers in big-endian and little-endian.}
@@ -98,6 +100,9 @@ which use "std" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Jun 09 12:28:17 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.3.1-4
+- Fix skip_build
+
 * Sat Jun 08 23:51:46 CEST 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.3.1-3
 - Regenerate