[poppler] Poppler 20.09.0 released

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-20.09.0.tar.xz

The tarball is signed at http://poppler.freedesktop.org/poppler-20.09.0.tar.xz.sig with my key
http://hkps.pool.sks-keyservers.net/pks/lookup?op=get&search=0xCA262C6C83DE4D2FB28A332A3A6A4DB839EAA6D7

Release 20.09.0:
core:
 * Compability fix for Forms
 * Fix fetching of Objects failing in some cases
 * Fix clearing date in Annot setModified/setDate
 * TextSelectionPainter: support glyphless fonts
 * Splash: Don't try read past end of image
 * avoid abort() on large memory allocation
 * Fix memory leak on broken files
 * Fix potential invalid memory read
 * Small code improvements

qt5:
 * Document TextAnnotation::inplaceAlign
 * Make Annotation::setModification/CreationDate work on existing annots
 * Be a bit more stubborn converting dates that come from xml
 * Clean as many null characters from the end as possible when converting strings

glib:
 * Add accessor functions for PopplerAttachment
 * Deprecate PopplerAttachment GTime fields
 * Deprecate PopplerDocument date properties

utils:
 * pdftoppm: report error and exit if output file cannot be written
 * Document that PDF-file can be '-' to read it from stdin

build system:
 * cmake: Modern way to link against libpng, zlib and libtiff
 * cmake: Remove stray support for lcms1 in pdftocairo

This release was brought to you by Albert Astals Cid, Even Rouault, Jason Crain, Kai Pastor, Liam Morland, Martin Packman, Nelson Benítez León, Stéfan van der Walt, Tobias Deimigner and everyone else that filed bugs or helped with code reviews :)

Testing, patches and bug reports welcome.

Cheers,
  Albert