[SECURITY] Fedora 26 Update: libreoffice-5.3.7.2-9.fc26

LibreOffice is an Open Source, community-developed, office productivity sui te. It includes the key desktop applications, such as a word processor, spreadsheet, presentation manager, formula editor and drawing program, with a user interface and feature set similar to other office suites. Sophisticat ed and flexible, LibreOffice also works transparently with a variety of file formats, including Microsoft Office File Formats.