Removed unused functions and variables.

Removed unused functions and variables.
2009-02-18  David Smith  <dsmith@redhat.com>

	* io.c (_stp_log): Removed unused function.
	* map.c (_stp_cmp): Replace _stp_log() with dbug().
	* mempool.c (_stp_mempool_resize): Removed unused function.
	* print.c (next_fmt): Removed unused function.
	* procfs.c: Removed unused variable '_stp_num_procfs_files'.
	* regs.c (_stp_ret_addr): Removed unused function.
	* string.c (_stp_text_str): Removed unused variable 'len'.
	* string.h: Removed unused variable '_stdout_' and function
	declaration for deleted function '_stp_vsprintf'.
	* sym.c: Removed unused variables.
	* unwind.c (_stp_create_unwind_hdr): Removed unused function.

2009-02-18  David Smith  <dsmith@redhat.com>

	* control.c: Removed unused variable '_stp_current_buffers'.
	* procfs.c (_stp_set_buffers): Removed unused function.
	(_stp_register_ctl_channel_fs): Removed unused variables and
	label.
	* symbols.c (u32_swap): Removed unused function.
	(generic_swap): Ditto.
	(_stp_sort): Ditto.
	(_stp_section_is_interesting): Ditto.
	* transport.c (_stp_transport_init): Removed unused variable
	'ret'.