* gcc/unwind.h (_Unwind_Ptr): Make 64 bits on IA64 HP-UX.
(_Unwind_Internal_Ptr): 32 bit version for use in
read_encoded_value_with_base.
* gcc/unwind-pe.h (read_encoded_value_with_base): Use
_Unwind_Internal_Ptr instead of _Unwind_Ptr in order to get the
right size.
From-SVN: r56351
