[poppler] Poppler 0.20.3 released

[Albert Astals Cid]

Note to packagers: This carries a soversion increase in internal poppler core library

Available from
http://poppler.freedesktop.org/poppler-0.20.3.tar.gz

Changes against 0.20.2:
core:
 * If NULL, NULL fails as password try EMPTY, EMPTY before failing (Bug #3498)
 * SplashOutputDev: Fix bogus memory allocation size in Splash::arbitraryTransformImage (Bug #49523)
 * SplashOutputDev: Fix segfault when scaleImage returns NULL (Bug #52488)
 * SplashOutputDev: Blend mode enhancements for CMYK
 * PSOutputDev: Fix conversion when creating multiple strips (Bug #51982)
 * PSOutputDev: Fix Bitmaps in level2sep or level3sep (Bug #52384)
 * PSOutputDev: Fix DeviceN images with alternate Lab colorspace in level 3 PostScript (Bug #51822)
 * PSOutputDev: Make sure xScale and yScale are always initialized (Bug #52215)
 * Unify poppler-config.h includes in core "installed" headers (Bug #52193)
 * Replace c++ style includes with c style ones (Bug #52426)

utils:
 * pdfseparate: Return 0 on success

Testing, patches and bug reports welcome.

Thanks to the code contributors for this release
 - Albert Astals Cid
 - Markus Trippelsdorf
 - Thomas Freitag
 - Torsten Kasch

Cheers,
  Albert