2011-06-26 Eldar Gaynetdinov <hal9000ed2k@gmail.com>

	* frame.h (print_what): Added new element LOC_NO_FULLPATH with
	comment.
	* stack.c (print_frame_info): Added LOC_NO_FULLPATH in two places near
	LOCATION.
	(print_frame): Added new variable 'filename' in the condition
	scope and the new conditions in this scope with 'filename' and
	LOC_NO_FULLPATH before call ui_out_field_string with 'filename'.
	'sal.symtab->filename' is used in body of these new conditions.
	(backtrace_command_1): Added new argument of this function witn name
	'nofull_path'. Added new condition with 'nofull_path'. Arguments that
	are passed to print_frame_info depends on this new condition now.
	(backtrace_command_args): Added new member 'nofull_path'.
	(backtrace_command_stub): backtrace_command_1 is now called with new
	argument 'args->nofull_path'.
	(backtrace_command): Added new variable 'nofull_path' at this function
	scope. Added new condition with 'nofull_path' and 'argv[i]'. 'argc' is
	assigned to 'nofull_path' if this new condition is satisfied.
	Modified condition with 'fulltrace_arg' by adding 'nofull_path'.
	Modified condition with 'fulltrace_arg' in the for-loop by adding
	'nofull_path'. Added assignment with 'btargs.nofull_path'. Modified
	condition with 'fulltrace_arg' and 'arglen' by adding 'nofull_path'.
	(backtrace_full_command): Assign zero to 'btargs.nofull_path' was
	added.