Update.

Update.

	* misc/Makefile (CFLAGS-getpass.c): Add -fexceptions.
	* misc/getpass.c (getpass): Add cleanup handler to ensure the
	stream is closed even if the thread is canceled.
	(call_fclose): New function.
	* posix/unistd.h: Remove __THROW from getpass prorotype.

	* posix/Makefile (CFLAGS-getopt.c): Add -fexceptions.

	* signal/signal.h (psignal): Remove __THROW.
	* stdio-common/Makefile (CFLAGS-psignal.c): Add -fexceptions.