Fix coverity error where a struct field was accessed after the struct was freed.
Fix coverity error where a struct field was accessed after the struct was freed.

darcs-hash:20091208022037-f546f-5bff3dd3f1be97cb1cf82f72ab8cf9dab567af63.gz

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