Update testclass.cpp

Author: chrchr-github

test/testclass.cpp

@@ -6823,7 +6823,7 @@ class TestClass : public TestFixture {
                       errout_str());
 
         checkConst("struct S {\n" // #12162
-                   "    bool has(int i) { return m.find(i) != m.end(); }\n");
+                   "    bool has(int i) { return m.find(i) != m.end(); }\n"
                    "    std::map<int, int> m;\n"
                    "};\n");
         ASSERT_EQUALS("[test.cpp.2:10]: (style, inconclusive) Technically the member function 'S::has' can be const. [functionConst]\n",