* files.c (write_file) - Fix problems with writing the backup file (albeit interactively)
	  with new function prompt_failed_backupwrite(), allows more secure handling of problems
	  with failing to write the backup file compared to 'allow_insecure_backup'.
	* winio.c (edit_redraw): Removed unused variable



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4526 35c25a1d-7b9e-4130-9fde-d3aeb78583b8