compression.lzw: fix for gif89a decoding - maximum code size is 12 bits.
compression.lzw: fix for gif89a decoding - maximum code size is 12 bits.

erg/factor,mcandre/factor,mcandre/factor,erg/factor,mcandre/factor,mcandre/factor,erg/factor,erg/factor,erg/factor,mcandre/factor,erg/factor,mcandre/factor,erg/factor,mcandre/factor