Log Message:
Updated poppler to 0.48.0.

Release 0.48.0
        core:
         * Fix crashes and memory leaks in invalid files.
         * Small memory usage improvements.
         * TextOutputDev: Remove null characters from PDF text. Bug #97144
         * TextOutputDev: Break words on all whitespace characters. Bug #97399
         * Fix UTF16 decoding of document outline title. Bug #97156
         * Add functions for named destination name in name-tree/dict

        glib:
         * Increase glib requirement to 2.41

Release 0.47.0
        core:
         * Fix abort on documents where the docinfo obj is not a dict. Bug #97134
         * Check for XRefEntry existing before using it. Bug #97005
         * Fix memory leak on PDFDoc::setDocInfoStringEntry() with empty string
         * Don't presume that DocInfo is a dictionary in \ 
XRef::createDocInfoIfNoneExists()

        build system:
         * configure: Work with non gnu greps