restore jgit BR for use in tests

This effectively reverts 8faf622 (drop jgit BR on Fedora > 30,
2019-07-29).  The jgit package is available once again; use it to allow
some compatibility tests to be run.

Resolves: https://bugzilla.redhat.com/1766626

git.spec

@@ -93,7 +93,7 @@
 
 Name:           git
 Version:        2.24.0
-Release:        1%{?rcrev}%{?dist}
+Release:        2%{?rcrev}%{?dist}
 Summary:        Fast Version Control System
 License:        GPLv2
 URL:            https://git-scm.com/
@@ -213,7 +213,7 @@ BuildRequires:  highlight
 %endif
 # endif fedora, el-6, or el7-ppc64
 BuildRequires:  httpd
-%if 0%{?fedora} && ! ( 0%{?fedora} > 30 || %{_arch} == i386 || %{_arch} == s390x )
+%if 0%{?fedora} && ! ( %{_arch} == i386 || %{_arch} == s390x )
 BuildRequires:  jgit
 %endif
 # endif fedora (except i386 and s390x)
@@ -1029,6 +1029,9 @@ rmdir --ignore-fail-on-non-empty "$testdir"
 %{?with_docs:%{_pkgdocdir}/git-svn.html}
 
 %changelog
+* Wed Dec 04 2019 Todd Zullinger <tmz@pobox.com> - 2.24.0-2
+- restore jgit BR for use in tests
+
 * Mon Nov 04 2019 Todd Zullinger <tmz@pobox.com> - 2.24.0-1
 - update to 2.24.0