Move #include from middle of file to top

Change-Id: I715f606ee0f94e9ffd3ef9ec889948a56a9cdc19
Reviewed-on: https://gerrit.libreoffice.org/9381
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>