Vectorize invert/copy loop in jbig2 stream decoder
Vectorize invert/copy loop in jbig2 stream decoder

darcs-hash:20080330132712-9beca-47948c04930902fa88ac11d579f6e7d3d889d226.gz

nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf