fribidi: Update to version 1.0.12

fribidi: Update to version 1.0.12

- Update from 1.0.11 to 1.0.12
- Update of rootfile not required
- Changelog
   Overview of changes between 1.0.11 and 1.0.12
     * Various fuzzing fixes.
- Looking at the details in the commits it looks like fribidi's use of the word fuzzing
   fixes basically means bug fixes. Included are fixes for a segmentation violation and a
   stack buffer overflow

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Peter Müller <peter.mueller@ipfire.org>