[poppler] Poppler 0.30.0 released

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.30.0.tar.xz

Changes against 0.29.0 include:
core:
 * Openjpeg2 support (openjpeg 1 is preferred). Bug #58906
 * Fix potential memory corruption on TextSelectionDumper. Bug #84555
 * Check for invalid matrix in annotation. Bug #84990
 * Open some not conforming files. Bug #85919
 * PSOutputDev: Accept a list of pages indeces instead of first, last. Bug #84833
 * Fix memory leak on error condition

cpp:
 * New API to set debug output function

build system:
 * configure: Improve support with older clang versions. Bug #76963

utils:
 * pdfunite: Support output intents, optional content and acroform

Testing, patches and bug reports welcome.

Cheers,
  Albert