add de and fr translations of tooltip

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50772 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/icons/grass.desktop

@@ -3,6 +3,8 @@ Type=Application
 Encoding=UTF-8
 Name=GRASS GIS
 Comment=Geographic Information System
+Comment[de]=Geographisches Informationssystem
+Comment[fr]=Système d'Information Géographique
 Categories=Education;Science;Geoscience;Geography;
 Exec=grass7
 Icon=/usr/share/icons/grass-48x48.png