Update a multi-line comment in lexer.cpp

src/etc/lexer.cpp

@@ -53,7 +53,7 @@ vector<tok> lex(const string& in)
     }
     /* Test
     for (const auto& it : resVal) {
-        cout << it.toktext << ' ' << it.toktype << '\n';
+        cout << it << ' ' << it.toktype << '\n';
     }
     */
     return resVal;