Revert "Do not require asio on rhel"

This reverts commit d617063906.

The reason is that asio is just a build-time dependency, so it is usually not necessary to bundle it, and on newer rhels the bundled asio will not be compatible with the openssl available in the base system.

galera.spec

@@ -1,6 +1,6 @@
 Name:           galera
 Version:        25.3.23
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Synchronous multi-master wsrep provider (replication engine)
 
 License:        GPLv2
@@ -17,12 +17,7 @@ Source2:        garbd-wrapper
 
 Patch0:         galera-python3.patch
 
-BuildRequires:  boost-devel check-devel openssl-devel python3-scons systemd gcc-c++
-%if 0%{?rhel}
-Provides:       bundled(asio)
-%else
-BuildRequires:  asio-devel
-%endif
+BuildRequires:  boost-devel check-devel openssl-devel python3-scons systemd gcc-c++ asio-devel
 Requires:       nmap-ncat
 
 
@@ -93,6 +88,9 @@ install -D -m 644 scripts/packages/README-MySQL %{buildroot}%{_docdir}/galera/RE
 
 
 %changelog
+* Mon Jul 16 2018 Honza Horak <hhorak@redhat.com> - 25.3.23-5
+- Require asio also on rhel
+
 * Fri Jul 13 2018 Honza Horak <hhorak@redhat.com> - 25.3.23-4
 - Add explicit gcc-c++ BR
 - Use python3-scons