Don't delete temporary file before using it

[justafish]

Pull Request (PR) description

I encountered an LDAP error 80 (LDAP_OTHER) whilst adding SSL certificates:

 class { 'openldap::server':
        ssl_cert   => '/etc/ssl/certs/foo.com.crt',
        ssl_key    => '/etc/ssl/private/foo.com.key',
        ssl_ca     => '/etc/ssl/certs/foo.com.ca-bundle',
    }

This Pull Request (PR) fixes the following issues

Doesn't delete temporary files before they're used