[Cooker] gs-cjk of ghostscript 6.51 need update

[hj]

ftp://ftp.gyve.org/pub/gs-cjk/M2/gs6.51-cjk-M2-R2.tar.gz
had released.
So print driver need update. gs6.51-cjk-M2-R1 must be replaced with 
gs6.51-cjk-M2-R2.