Only parse .desktop files

src/xdgmenumaker

@@ -171,6 +171,7 @@ def menu():
 	applist = []
 	for desktopfile in desktopfilelist():
 		try:
+			if desktopfile.endswith('.desktop'):
 				e = get_entry_info(desktopfile)
 				if e is not None:
 					applist.append(MenuEntry(e[0], e[1], e[2], e[3]))