Update.

Update.

	* libio/fileops.c (_IO_new_file_open): Recognize ,ccs= in mode string
	and load appropriate conversions.
	* libio/iofwide.c (__libio_codecvt): Renamed from libio_codecvt and
	made global.
	* libio/libioP.h: Declare __libio_codecvt.
	* manual/stdio.texi: Document ,ccs= option for fopen.
	* wcsmbs/wcsmbsload.c (__wcsmbs_named_conv): New function.
	* wcsmbs/wcsmbsload.h (__wcsmbs_named_conv): Declare.

	* libio/iofclose.c: Free conversion data if stream was wide-oriented.

	* sysdeps/unix/sysv/linux/i386/Dist: Add sys/io.h.