Change the icon path in our desktop file to a more sensible one

Author: MKleusberg

distri/sqlitebrowser.desktop

@@ -3,7 +3,7 @@ Name=SQLiteBrowser
 Comment=SQLiteBrowser is a light GUI editor for SQLite databases
 Comment[de]=SQLiteBrowser ist ein GUI-Editor für SQLite-Datenbanken
 Exec=sqlitebrowser %f
-Icon=/usr/share/sqlitebrowser/icons/sqlitebrowser-128.png
+Icon=/usr/share/sqlitebrowser/sqlitebrowser.svg
 Terminal=false
 X-MultipleArgs=false
 Type=Application