Update changelog

vapoursynth.spec

@@ -4,7 +4,7 @@
 
 Name:       vapoursynth
 Version:    48
-Release:    5%{?dist}
+Release:    6%{?dist}
 Summary:    Video processing framework with simplicity in mind
 License:    LGPLv2
 URL:        http://www.vapoursynth.com
@@ -158,6 +158,10 @@ rm -fr %{buildroot}%{_docdir}/%{name}
 
 
 %changelog
+* Sat Feb 29 2020 Simone Caronni <negativo17@gmail.com> - 48-6
+- Make it exclusive for i686/x86_64.
+- Fix build on RHEL/CentOS 8.
+
 * Tue Feb 25 2020 Artem Polishchuk <ego.cordatus@gmail.com> - 48-5
 - Add tests
 - Cosmetic spec file improvements