* lyxfunc.h:

* lyxfunc.h:
* BufferView_pimpl.h: delete LyXKeySymPtr typedef

* kbmap.h: include LyXKeysym.h and remove forward declaration of LyXKeySym,
  and delete LyXKeySymPtr typedef

* kbsequence.h:
* frontends/WorkArea.h: delete LyXKeySymPtr typedef, include LyXKeySym.h
   and don't include boost/shared_ptr.hpp, remove forward declaration of
   LyXKeySym.

* frontends/LyXKeySym.h: include boost/shared_ptr.hpp, and add typedef
  for LyXKeySymPtr

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13663 a592a061-630c-0410-9148-cb99ea01b6c8