dnsdist: Add another missing `<variant>` include for EL-8

diff --git a/pdns/dnsdistdist/test-dnsdistrules_cc.cc b/pdns/dnsdistdist/test-dnsdistrules_cc.cc
index 692b50dbfb6e1014a32d511063cbfcafb7b3798b..f113aa2d525a59e8f23d723e59cfe72760b13436 100644 (file)
--- a/pdns/dnsdistdist/test-dnsdistrules_cc.cc
+++ b/pdns/dnsdistdist/test-dnsdistrules_cc.cc
@@ -6,6 +6,7 @@
 #define BOOST_TEST_NO_MAIN
 
 #include <thread>
+#include <variant>
 #include <boost/test/unit_test.hpp>
 
 #include "dnsdist-rules.hh"