Cleanup windowsstore.c The cause for the test failure was that ADD_ALWAYS did not add a duplicate in the Root store but did add a duplicate in the Memory Store. We now check if the certificate is already in the store before actually installing it.

<!DOCTYPE RCC><RCC version="1.0">
<qresource>
    <file>list-valid-signed.txt</file>
</qresource>
</RCC>