\appoggiatura disables autoBeam

[Andres]

> I'm not top posting.

%% removing \appoggiatura g16 it works as usual
%% with \appoggiatura g16 every note appears alone
%% tried new Voice, etc., but it doesn't work.

\version "2.11.22"

\score {
 \new PianoStaff <<
  \relative c''

  \new Staff { \key g \minor

       \partial 4
       \appoggiatura g16 f8 ees16 d
       c8 (bes) bes4. d8 g d
       f4 (ees4.) f16 (g f ees d c)
       bes4 (a4.) a8 (bes c)
       <a c>4 (<bes d>) r8 f'16 (e g f ees d)
   }
 >>
}