Fix memory leak in cairo TextLayout::draw.
Fix memory leak in cairo TextLayout::draw.

Destroy cairo_font_options when done.

Change-Id: Ib49c07dee22fa59b4f6227c6b106a18b615aa060
Reviewed-on: https://gerrit.libreoffice.org/4193
Reviewed-by: David Tardon <120ec0d1a1a64b2795847ed1f99512646e9f2768@redhat.com>
Tested-by: David Tardon <120ec0d1a1a64b2795847ed1f99512646e9f2768@redhat.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core