Merge pull request #838 from harfbuzz/BASE

BASE table

diff --cc src/Makefile.sources
Simple merge

diff --cc src/hb-ot-layout-private.hh
Simple merge

diff --cc src/hb-ot-layout.cc
index 3273ecc,e02ff11..42802e2
--- 1/src/hb-ot-layout.cc
--- 2/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@@ -62,12 -63,10 +63,13 @@@ _hb_ot_layout_create (hb_face_t *face
    layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
  
    layout->math.init (face);
+   layout->base.init (face);
    layout->fvar.init (face);
    layout->avar.init (face);
 +  layout->ankr.init (face);
 +  layout->kerx.init (face);
    layout->morx.init (face);
 +  layout->trak.init (face);
  
    {
      /*
@@@ -215,12 -214,10 +217,13 @@@ _hb_ot_layout_destroy (hb_ot_layout_t *
    hb_blob_destroy (layout->gpos_blob);
  
    layout->math.fini ();
+   layout->base.fini ();
    layout->fvar.fini ();
    layout->avar.fini ();
 +  layout->ankr.fini ();
 +  layout->kerx.fini ();
    layout->morx.fini ();
 +  layout->trak.fini ();
  
    free (layout);
  }