CppEditor: Put '{' on new line for "Add Definition Inside Class"

...to be consistent with inserting "Outside Class" and "in xxx.cpp".

Change-Id: I32a43153d5d3bdec9fae0be731484a26b108c438
Reviewed-by: Lorenz Haas <lykurg@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/cppeditor/cppquickfix_test.cpp

@@ -919,7 +919,8 @@ void CppEditorPlugin::test_quickfix_InsertDefFromDecl_freeFunction()
 {
     const QByteArray original = "void free()@;\n";
     const QByteArray expected =
-        "void free() {\n\n"
+        "void free()\n"
+        "{\n\n"
         "}\n"
         "\n"
         ;
@@ -938,8 +939,8 @@ void CppEditorPlugin::test_quickfix_InsertDefFromDecl_insideClass()
         "};";
     const QByteArray expected =
         "class Foo {\n"
-        "    void bar() {\n"
-        "\n"
+        "    void bar()\n"
+        "    {\n\n"
         "    }\n"
         "};\n";