Log Message:
Update poppler* to 0.46.0.

Release 0.46.0
        core:
         * cairo: fix bug in setAntialias()
         * cairo: Fix tiling patterns with BBox with non-zero x,y
         * cairo: try finding glyphs in substitute fonts by unicode value. Bug #96994
         * Added XRef modification flag
         * Added DocInfo setters & getters
         * Be less strict when parsing FitH Link destinations. Bug #96661

        utils:
         * pdftocairo: revert the use of groups for blending into white page
         * pdftocairo: Use fprintf for printing errors
         * pdfinfo: Don't print pdf info when printing metadata, javascript, or \ 
structure. Bug #96801

        glib:
         * Added document property setters & simplified getters
         * make document metatag gobject properties writeable

        cpp:
         * pass len to GooString constructor in \ 
detail::ustring_to_unicode_GooString(). Bug #96426
         * Added functions to save a document
         * Added document property setters & getters

        qt4:
         * Added document property setters & simplified getters

        qt5:
         * Added document property setters & simplified getters

        build system:
         * configure: Don't use -fPIC on cygwin
         * configure: Work with non gnu greps

Release 0.45.0
        core:
         * SplashOutputDev: Fix iccTransform + splashModeXBGR8
         * Fix memory leaks
         * Fix crash in broken files. Bug #95567. Bug #96027
         * Emulate some non portable glibc functions when not available

        utils:
         * pdftohtml: Fix crash in broken files. Bug #95563
         * pdfinfo: convert dates to local time zone
         * pdfinfo: add -isodates for printing dates in ISO-8601 format
         * pdfinfo: Fix memory leaks

        glib:
         * return date in UTC instead of local time. Bug #94173

        cpp:
         * switched from detail::convert_date() to core's dateStringToTime()