Commit1bf512e9ffwrongly added that BR2_USE_WCHAR is due to flac dependency but flac is optional so remove this comment and add boost instead Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> (cherry picked from commit20584d1ef2) Signed-off-by: Peter Korsgaard <peter@korsgaard.com>