Corrected the License tag

Resolves: rhbz#1624851

libevent.spec

@@ -6,10 +6,11 @@
 
 Name:           libevent
 Version:        2.1.8
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Abstract asynchronous event notification library
 
-License:        BSD
+# arc4random.c, which is used in build, is ISC. The rest is BSD.
+License:        BSD and ISC
 URL:            http://libevent.org/
 Source0:        https://github.com/libevent/libevent/releases/download/release-%{version}-stable/libevent-%{version}-stable.tar.gz
 
@@ -32,6 +33,7 @@ without having to change the event loop.
 
 %package devel
 Summary: Development files for %{name}
+License: BSD
 Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
@@ -40,6 +42,9 @@ with %{name}.
 
 %package doc
 Summary: Development documentation for %{name}
+# The files sample/openssl_hostname_validation.{c,h} and sample/hostcheck.{c,h}
+# are MIT. The rest is BSD.
+License: BSD and MIT
 BuildArch: noarch
 
 %description doc
@@ -129,6 +134,10 @@ mkdir -p $RPM_BUILD_ROOT/%{develdocdir}/sample
 %{develdocdir}/
 
 %changelog
+* Mon Sep 03 2018 Ondřej Lysoněk <olysonek@redhat.com> - 2.1.8-4
+- Corrected the License tag
+- Resolves: rhbz#1624851
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.8-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild