output file names.

construction.

signed/unsigned mismatch.

http://bugzilla.maptools.org/show_bug.cgi?id=1929

I don't exactly remember why this was important.
---
Fix unchecked malloc result.

directory just because we have BEENWRITING at some point in the past.  This
was causing odd junk to be written out in a tile of data when a single tile
had an interleaving of reading and writing with reading last.  (highlighted
by gdal autotest/gcore/tif_write.py test 7.

  http://trac.osgeo.org/gdal/ticket/1965
Improvements so that predictor based encoding and decoding works in
read-write update mode properly.
  http://trac.osgeo.org/gdal/ticket/1948

cleaning. As per bug http://bugzilla.remotesensing.org/show_bug.cgi?id=1573

http://bugzilla.remotesensing.org/show_bug.cgi?id=1566
Patch from William Bader.

utility as per bug http://bugzilla.remotesensing.org/show_bug.cgi?id=1560
Now we don't need tiffiop.h in tiff2pdf anymore and will open output PDF file
using TIFFClientOpen() machinery as it is implemented by Leon Bottou.

bsearch() on a NULL fieldinfo list.
(_TIFFFindFieldInfoByName): Don't attempt to
lfind() on a NULL fieldinfo list.