[PATCH] grub-core/gfxmenu/widget-box.c - bugfix: incorrect drawing in cases of NULL center slice

[Vladimir Testov]

See screenshots included.

If the center slice is NULL then west or north slice is also NULL so the 
height_n or width_w is also NULL. We can count these values from raw (non-
scaled) bitmaps. The values will be the same as before for common cases. And 
the bug will be fixed.

-- 
With best regards,
_______________________________
Vladimir Testov, ROSA Laboratory.
www.rosalab.ru

after-widget-box.png
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grub-widget-box-fix.patch
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before-widget-box.png
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