-Fix: 'Load' button was not properly enabled/disabled for old savegames without NewGRF information.

git-svn-id: http://svn.openttd.org/trunk@26634 6aa0318a-3be1-0310-93fa-89fd2396df07
-Update from WebTranslator v3.0:
finnish - 2 changes by jpx_


git-svn-id: http://svn.openttd.org/trunk@26635 6aa0318a-3be1-0310-93fa-89fd2396df07