debug.h (debug_flush_symbol_queue, [...]): Delete.

	* debug.h (debug_flush_symbol_queue, debug_queue_symbol): Delete.
	(debug_free_queue, debug_nesting, symbol_queue_index): Delete.
	* final.c (debug_flush_symbol_queue, debug_queue_symbol):
	Move these...
	(debug_free_queue, debug_nesting, symbol_queue_index):
	...and these...
	* dbxout.c: ...to here.  Make static.

From-SVN: r171981