Add missing "boost/version.hpp" before version checking macro
<https://github.com/Kawashima-Azumi/kicad-source-mirror/commit/0921e66957971796285c5a47f64678a78c84dcec>
diff --git a/qa/unit_test_utils/include/unit_test_utils/unit_test_utils.h b/qa/unit_test_utils/include/unit_test_utils/unit_test_utils.h
index 08ae0b949..72314d56a 100644
--- a/qa/unit_test_utils/include/unit_test_utils/unit_test_utils.h
+++ b/qa/unit_test_utils/include/unit_test_utils/unit_test_utils.h
@@ -24,6 +24,7 @@
 #ifndef UNIT_TEST_UTILS__H
 #define UNIT_TEST_UTILS__H
 
+#include <boost/version.hpp>
 #include <boost/test/test_case_template.hpp>
 #include <boost/test/unit_test.hpp>