* buffer.c (Fswitch_to_buffer): Pass the correct number of

* buffer.c (Fswitch_to_buffer): Pass the correct number of
	arguments to Fnext_window.

	* buffer.c (Fbury_buffer): Pass the correct number of arguments to
	Fother_buffer.

	* buffer.c (buffer_slot_type_mismatch): Make symbol_name an
	unsigned char *, to match the type of a string's data.