[poppler] Poppler 0.10.6

[Albert Astals Cid]

Available from
http://poppler.freedesktop.org/poppler-0.10.6.tar.gz

Changes since 0.10.5:
core:
 * Fix problems that happen when parsing broken JBIG2 files.
   CVE-2009-0799, CVE-2009-0800, CVE-2009-1179, CVE-2009-1180
   CVE-2009-1181, CVE-2009-1182, CVE-2009-1183, CVE-2009-1187, CVE-2009-1188
 * Fix parsing of incorrect border arrays. Bug #19761
 * Fix clip test for fonts. Bug #20950
 * Fix getGlyphAdvance to behave correctly on font size changes. Bug #20769
 * Misc build fixes

build system:
 * Fix the Qt4 version we need

Testing, patches and bug reports welcome.

Albert