Updated xpdf packages fix security vulnerabilities

The updated xpdf packages fix security vulnerabilities: An issue was discovered in Xpdf 4.01.01. There is an FPE in the function PostScriptFunction::exec at Function.cc for the psOpIdiv case. (CVE-2019-10018) An issue was discovered in Xpdf 4.01.01. There is an FPE in the function PSOutputDev::checkPageSlice at PSOutputDev.cc for nStripes. (CVE-2019-10019) An issue was discovered in Xpdf 4.01.01. There is an FPE in the function ImageStream::ImageStream at Stream.cc for nComps. (CVE-2019-10021) An issue was discovered in Xpdf 4.01.01. There is an FPE in the function PostScriptFunction::exec at Function.cc for the psOpMod case. (CVE-2019-10023) Xpdf 4.01.01 has an out-of-bounds write in the vertProfile part of the TextPage::findGaps function in TextOutputDev.cc, a different vulnerability than CVE-2019-9877. (CVE-2019-16927)