[truetype] Support reading 32bit/16bit VarStore deltas
* include/freetype/internal/ftmmtypes.h (FT_ItemVarDelta): Define type to be used for delta arrays, upgrade to FT_long. * src/truetype/ttgxvar.c: Adhere to long_words bit and read either Short/Byte pairs or Long/Short pairs, as defined by spec. For better readability, define macro for repetitive read code.
32bitVarStoreDeltas in 12 minutes and 23 seconds (queued for 3 seconds)13 jobs for