Don't clobber the PDF file version numbering when repairing.
Don't clobber the PDF file version numbering when repairing.

darcs-hash:20100424232704-f546f-3b8931b9fc34e316ee36aaac2207ab398878d040.gz

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