Re-enable rpm-ostree plugin

We now have rpm-ostree 2018.3 in rawhide that fixes the build issue.

This reverts commit b42c5e2a22.

gnome-software.spec

@@ -11,7 +11,7 @@
 
 Name:      gnome-software
 Version:   3.27.90
-Release:   1%{?dist}
+Release:   2%{?dist}
 Summary:   A software center for GNOME
 
 License:   GPLv2+
@@ -105,6 +105,7 @@ Adds support for Snap packages from the Snap store.
     -Denable-gudev=true \
     -Denable-packagekit=true \
     -Denable-external-appstream=false \
+    -Denable-rpm-ostree=true \
     -Denable-tests=false \
     -Denable-ubuntuone=false \
     -Denable-ubuntu-reviews=false
@@ -180,6 +181,7 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_provenance.so
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_repos.so
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_rewrite-resource.so
+%{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_rpm-ostree.so
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_shell-extensions.so
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_steam.so
 %{_libdir}/gs-plugins-%{gs_plugin_version}/libgs_plugin_systemd-updates.so
@@ -209,6 +211,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/*.desktop
 %{_mandir}/man1/gnome-software-editor.1*
 
 %changelog
+* Mon Feb 19 2018 Kalev Lember <klember@redhat.com> - 3.27.90-2
+- Re-enable rpm-ostree plugin
+
 * Thu Feb 15 2018 Kalev Lember <klember@redhat.com> - 3.27.90-1
 - Update to 3.27.90
 - Temporarily disable the rpm-ostree plugin