RICHED20: EM_SETCHARFORMAT must return 0, not assert, on invalid struct size

[Alexandre Julliard]

a_villacis at palosanto.com writes:

> Changelog:
> * EM_SETCHARFORMAT must not assert on invalid structure size. Instead, it
> should just fail and return 0.

It would be better to do that in ME_ToCF2W since it already has to
check the size, simply make it return NULL on error or something like
that.

-- 
Alexandre Julliard
julliard at winehq.org