[master] Fixed recently introduced cpp-check

diff --git a/src/lib/eval/tests/token_unittest.cc b/src/lib/eval/tests/token_unittest.cc
index 690392d845141a218bdebe56939e84087f17b39e..2fcf1c549d656cd6b0fdade57666f00d142f0bfb 100644 (file)
--- a/src/lib/eval/tests/token_unittest.cc
+++ b/src/lib/eval/tests/token_unittest.cc
@@ -487,7 +487,7 @@ public:
     ///
     /// @param expected expected string representation on stack after evaluation
     /// @param value integer value passed to constructor
-    void testInteger(std::string expected, uint32_t value) {
+    void testInteger(const std::string& expected, uint32_t value) {
 
         clearStack();