Log Message:
apply a fix from upstream CVS:
* src/cff/cffobjs.c (cff_face_init): Compute final
`dict->units_per_em' value before assigning it to
`cffface->units_per_EM'.  Otherwise, CFFs without subfonts are be
scaled incorrectly if the font matrix is non-standard.  This fixes
Savannah bug #23630

This fixes the problem that text set in a font embedded as type 1C subset
was rendered unreadably small.
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