Fixing missing buildrequires

rng-tools.spec

@@ -4,7 +4,7 @@
 Summary:        Random number generator related utilities
 Name:           rng-tools
 Version:        6.10
-Release:        1%{?dist}
+Release:        2%{?dist}
 License:        GPLv2+
 URL:            https://github.com/nhorman/rng-tools
 Source0:        https://github.com/nhorman/rng-tools/archive/rng-tools-%{version}.tar.gz
@@ -21,6 +21,7 @@ BuildRequires: libsysfs-devel libcurl-devel
 BuildRequires: libxml2-devel openssl-devel
 BuildRequires: jitterentropy-devel
 BuildRequires: libp11-devel
+BuildRequires: jansson-devel
 
 Requires(post): systemd-units
 Requires(preun): systemd-units
@@ -64,6 +65,9 @@ install -Dt %{buildroot}%{_unitdir} -m0644 %{SOURCE1}
 %attr(0644,root,root)   %{_unitdir}/rngd.service
 
 %changelog
+* Fri Mar 27 2020 Neil Horman <nhorman@redhat.com> - 6.10-2
+- Fix missing buildrequires
+
 * Fri Mar 27 2020 Neil Horman <nhorman@redhat.com> - 6.10-1
 - Update to latest upstream