Split libs properly for multilib

Signed-off-by: Igor Gnatenko <ignatenko@redhat.com>

lz4.spec

@@ -1,12 +1,14 @@
 Name:           lz4
 Version:        1.7.5
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Extremely fast compression algorithm
 
 License:        GPLv2+ and BSD
 URL:            https://lz4.github.io/lz4/
 Source0:        https://github.com/Cyan4973/lz4/archive/v%{version}/%{name}-%{version}.tar.gz
 
+Obsoletes:      %{name} < 1.7.5-3
+
 %description
 LZ4 is an extremely fast loss-less compression algorithm, providing compression
 speed at 400 MB/s per core, scalable with multi-core CPU. It also features
@@ -15,6 +17,7 @@ reaching RAM speed limits on multi-core systems.
 
 %package        libs
 Summary:        Libaries for lz4
+Obsoletes:      %{name} < 1.7.5-3
 
 %description    libs
 This package contains the libaries for lz4.
@@ -77,6 +80,9 @@ chmod +x ./configure
 %{_libdir}/liblz4.a
 
 %changelog
+* Sat Jul 08 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.7.5-4
+- Split libs properly for multilib
+
 * Sat Mar  4 2017 Peter Robinson <pbrobinson@fedoraproject.org> 1.7.5-3
 - Split libs out to a sub package