[nostalgia,olympic] Cleanup

src/olympic/keel/test/tests.cpp

@@ -25,7 +25,7 @@ static std::map<ox::StringView, ox::Error(*)()> tests = {
 	},
 };
 
-int main(int argc, const char **argv) {
+int main(int argc, char const **argv) {
 	int retval = -1;
 	if (argc > 0) {
 		auto const args = ox::Span{argv, static_cast<size_t>(argc)};