decrease stack size a bit, as it made bss overflow the available RAM Thabks to Denes Balatoni git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18717 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18546 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17819 a1c6a512-1295-4272-9138-f99709370657