* mn10300-tdep.c (mn10300_saved_pc_after_call,

* mn10300-tdep.c (mn10300_saved_pc_after_call,
mn10300_extract_return_value,
mn10300_extract_struct_value_address, mn10300_store_return_value,
mn10300_use_struct_convention, mn10300_breakpoint_from_pc,
mn10300_frame_chain, mn10300_skip_prologue,
mn10300_push_arguments, mn10300_push_return_address,
mn10300_store_struct_return, mn10300_frame_saved_pc,
mn10300_init_extra_frame_info, mn10300_frame_init_saved_regs):
Make these functions static; they should only be visible to the
outside world as gdbarch methods.