Fixed #1303 (False positive: The function 'x' can be const for a constructor)

lib/checkclass.cpp

@@ -1430,6 +1430,8 @@ void CheckClass::checkConst()
                 {
                     // get function name
                     const std::string functionName(tok2->strAt(2));
+                    if (functionName == classname)
+                        continue;
 
                     // goto the ')'
                     tok2 = tok2->tokAt(3)->link();

test/testclass.cpp

@@ -1530,6 +1530,15 @@ private:
                    "    int getA() { return a; }\n"
                    "};\n");
         ASSERT_EQUALS("[test.cpp:3]: (style) The function 'Fred::getA' can be const\n", errout.str());
+
+        // constructors can't be const..
+        checkConst("class Fred {\n"
+                   "    int a;\n"
+                   "public:\n"
+                   "    Fred() { }\n"
+                   "};\n");
+        ASSERT_EQUALS("", errout.str());
+
     }
 };