lp#904212: add missing mimetypes to impress.desktop

* application/vnd.openxmlformats-officedocument.presentationml.slide
* application/vnd.openxmlformats-officedocument.presentationml.slideshow

sysui/desktop/menus/impress.desktop

@@ -5,7 +5,7 @@ Icon=impress
 Type=Application
 Categories=Office;Presentation;X-Red-Hat-Base;X-MandrivaLinux-Office-Presentations;
 Exec=${UNIXBASISROOTNAME} --impress %U
-MimeType=application/vnd.oasis.opendocument.presentation;application/vnd.oasis.opendocument.presentation-template;application/vnd.sun.xml.impress;application/vnd.sun.xml.impress.template;application/mspowerpoint;application/vnd.ms-powerpoint;application/vnd.openxmlformats-officedocument.presentationml.presentation;application/vnd.ms-powerpoint.presentation.macroenabled.12;application/vnd.openxmlformats-officedocument.presentationml.template;application/vnd.ms-powerpoint.template.macroenabled.12;
+MimeType=application/vnd.oasis.opendocument.presentation;application/vnd.oasis.opendocument.presentation-template;application/vnd.sun.xml.impress;application/vnd.sun.xml.impress.template;application/mspowerpoint;application/vnd.ms-powerpoint;application/vnd.openxmlformats-officedocument.presentationml.presentation;application/vnd.ms-powerpoint.presentation.macroenabled.12;application/vnd.openxmlformats-officedocument.presentationml.template;application/vnd.ms-powerpoint.template.macroenabled.12;application/vnd.openxmlformats-officedocument.presentationml.slide;application/vnd.openxmlformats-officedocument.presentationml.slideshow;
 Name=%PRODUCTNAME Impress
 GenericName=Presentation
 Comment=Create and edit presentations for slideshows, meeting and Web pages by using Impress.