src/pfr/pfrload.c, src/pfr/pfrobjs.c, src/pfr/pfrtypes.h: implement FT_OPTIMIZE_MEMORY, the kerning table is not loaded into the heap anymore.
src/pfr/pfrload.c, src/pfr/pfrobjs.c, src/pfr/pfrtypes.h: implement FT_OPTIMIZE_MEMORY, the kerning table is not loaded into the heap anymore.