Add attr as a build dependency as we use it for running the tests

ostree.spec

@@ -8,7 +8,7 @@
 Summary: Tool for managing bootable, immutable filesystem trees
 Name: ostree
 Version: 2021.6
-Release: 1%{?dist}
+Release: 2%{?dist}
 Source0: https://github.com/ostreedev/%{name}/releases/download/v%{version}/libostree-%{version}.tar.xz
 License: LGPLv2+
 URL: https://ostree.readthedocs.io/en/latest/
@@ -26,6 +26,8 @@ BuildRequires: openssl-devel
 # The tests still require soup
 BuildRequires: pkgconfig(libsoup-2.4)
 BuildRequires: libattr-devel
+# The tests require attr
+BuildRequires: attr
 # Extras
 BuildRequires: pkgconfig(libarchive)
 BuildRequires: pkgconfig(liblzma)
@@ -163,6 +165,9 @@ find %{buildroot} -name '*.la' -delete
 %endif
 
 %changelog
+* Mon Dec 06 2021 Joseph Marrero <jmarrero@fedoraproject.org> - 2021.6-2
+- Add attr as a build dependency as we use it for running the tests
+
 * Tue Nov 23 2021 Luca BRUNO <lucab@lucabruno.net> - 2021.6-1
 - New upstream version
   https://github.com/ostreedev/ostree/releases/tag/v2021.6