[poppler] Poppler 0.64.0 released

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.64.0.tar.xz

Changes against 0.63.0 include:
core:
 * Workaround form field text not being drawn on broken files. Bug #103245
 * Add read only setter for form fields
 * Add support for Link Hide action
 * Add support for Next actions in Links
 * Fix parsing of Annot focus out actions
 * Fix PDFDoc::checkHeader() for PDFs smaller than 1 KiB. Bug #105674
 * Add const to several classes and members
 * gfile: Fix build on some platforms
 * Fix issues with on malformed documents. Bug #105972, #105969, #106059, 
#106061
 * Several small code improvements

qt5:
 * Allow setting of Form visibility status
 * Allow setting of Form read only status
 * Add support for Link Hide action
 * Add support for Next actions in Links
 * ArthurOutputDev: Implement axialShadedFill
 * ArthurOutputDev: Implement drawImageMask. Bug #105531
 * ArthurOutputDev: Implement Type3 font support

utils:
 * pdfsig: Add -dump which writes signatures to disk. Bug #104881

glib:
 * less deprecated calls

build system:
 * bring back the option to disable GObject introspection
 * Add iconv include dir when compiling
 * Make it possible to build poppler without fontconfig. Default for Android

This release was brought to you by Albert Astals Cid, Aleix Pol, Andre 
Heinecke, Carlos Garcia Campos, Chinmoy Ranjan Pradhan, Evangelos Foutras, 
Mojca Miklavec, Oliver Sander

Testing, patches and bug reports welcome.

P.S: I know there's some patches waiting for review trying to catch up.

Cheers,
  Albert