Fixes footnote automatic numbering.

lily/page-layout-problem.cc

 /*
   This file is part of LilyPond, the GNU music typesetter.
 
   Copyright (C) 2009--2011 Joe Neeman <joeneeman@gmail.com>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
@@ skipping 188 matching lines @@
       if (Grob *g = unsmob_grob (scm_car (s)))
         {
           System *sys = dynamic_cast<System *> (g);
           if (!sys)
             {
               programming_error ("got a grob for footnotes that wasn't a System");
               continue;
             }
           Stencil mol;
           Stencil in_note_mol;
-          extract_grob_set (sys, "footnote-grobs", footnote_grobs);
+          extract_grob_set (sys, "footnotes-after-line-breaking", footnote_grobs);
           for (vsize i = 0; i < footnote_grobs.size (); i++)
             {
               Grob *footnote = footnote_grobs[i];
               SCM footnote_markup = footnote->get_property ("footnote-text");
               if (Spanner *orig = dynamic_cast<Spanner *>(footnote))
                 if (orig->is_broken ())
                   footnote_markup = orig->broken_intos_[0]->get_property ("footnote-text");
 
               SCM props = scm_call_1 (ly_lily_module_constant ("layout-extract-page-properties"),
                                       paper->self_scm ());
@@ skipping 935 matching lines @@
     {
       if (Hara_kiri_group_spanner::has_interface (input[i]))
         Hara_kiri_group_spanner::consider_suicide (input[i]);
 
       if (input[i]->is_live ())
         output.push_back (input[i]);
     }
 
   return output;
 }