gdb/

gdb/
	* tui/tui-data.c (init_win_info, tui_del_window, tui_free_window):
	Rename field reference filename to fullname.
	* tui/tui-data.h (struct tui_source_info): Rename field filename to
	fullname.  New comment for it.
	* tui/tui-source.c (tui_set_source_content): Rename field reference
	filename to fullname.  Initialize field by symtab_to_fullname now.
	* tui/tui-winsource.c (tui_update_breakpoint_info): Rename field
	reference filename to fullname.  Use symtab_to_fullname during
	comparison.