qpdf: upgrade 11.7.0 -> 11.8.0
Changelog:
===========
* Bug fix: treat references to older generations of objects as null.
* When recovering a file's xref table, attempt to find xref streams if a
traditional trailer dictionary is not found.
* Add --set-page-labels command-line argument and supporting API.
- QPDFJob::Config::setPageLabels
- pdf_page_label_e enumerated type
- QPDFPageLabelDocumentHelper::pageLabelDict
* Support comma-separated numeric values with --collate to select
different group sizes from different files.
* Support "x" before a group in a numeric range to exclude a group
from the previous group. Details are in the manual.
* When flattening annotations, preserve annotations without any appearance
information at all, such as types /Link, /Popup, and /Projection.
* Detect overlong UTF-8 in the UTF-8 decoder, and fix detection of 8-bit
characters in erroneous UTF-8 strings.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Wang Mingyu