* gnu/java/nio/charset/ISO_8859_1.java (Decoder): Now
	package-private.
	(Encoder): Likewise.
	* gnu/java/nio/charset/UTF_8.java (Decoder): Now package-private.
	(Encoder): Likewise.
	* gnu/java/nio/charset/US_ASCII.java (Decoder): Now
	package-private.
	(Encoder): Likewise.

From-SVN: r90196