[SECURITY] Fedora 29 Update: xerces-c27-2.7.0-28.fc29

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and wri te XML data. A shared library is provided for parsing, generating, manipulatin g, and validating XML documents. Xerces-C is faithful to the XML 1.0 recommendation and associated standards ( DOM 1.0, DOM 2.0. SAX 1.0, SAX 2. 0, Namespaces). Note that this package contains Xerces-C++ 2.7.0 for compatibility with applications that cannot use a newer version.