Fix omitted initialization in shade debug printing.
Fix omitted initialization in shade debug printing.

Ignore-this: 4ede099680743b6c93415df4de6b937d

darcs-hash:20100417131105-86a4e-346006ff8db42b77f6260b233842b24505a73505.gz

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