update to 1.6.4

git-svn-id: http://trac.vinelinux.org/repos/projects/specs@11139 ec354946-7b23-47d6-9f5a-488ba84defc7

u/unbound/unbound-vl.spec

@@ -13,7 +13,7 @@
 
 Summary: Validating, recursive, and caching DNS(SEC) resolver
 Name: unbound
-Version: 1.6.3
+Version: 1.6.4
 Release: 1%{?_dist_release}
 License: BSD
 Url: http://www.unbound.net/
@@ -257,6 +257,9 @@ fi
 /sbin/ldconfig
 
 %changelog
+* Mon Jul 31 2017 Daisuke SUZUKI <daisuke@vinelinux.org> 1.6.4-1
+- update to 1.6.4
+
 * Sat Jun 24 2017 IWAI, Masaharu <iwaim.sub@gmail.com> 1.6.3-1
 - update to 1.6.3