lto-wrapper.c (lto_wrapper_exit): Rename to ...

2010-06-02  Richard Guenther  <rguenther@suse.de>

	* lto-wrapper.c (lto_wrapper_exit): Rename to ...
	(lto_wrapper_cleanup): ... this.  Do not exit.
	(fatal): Adjust.  Exit here.
	(fatal_perror): Likewise.
	(fatal_signal): New function.
	(main): Set up signal handlers to cleanup temporary files.
	* Makefile.in (lto-wrapper.o): Adjust dependencies.

From-SVN: r160153