[PATCH v2] usp10: Re-use script caches for the same font.

[Nikolay Sivov]

On 1/15/2018 6:56 PM, Thomas Faber wrote:
> v2: use the LOGFONT as the comparison key, not the HDC; add more tests
> 

Thank you. Further tests ideas is to check case sensitivity of
lfFaceName, and see if things like lfUnderline/lfStrikeOut matter (I'd
expect they don't). This could certainly be done later, because failing
memcmp() will revert to existing behavior.