hg: jdk7/tl/jdk: 6921740: Eliminate warnings from sun.io converters and allow compiling with JAVAC_MAX_WARNINGS=true

[ahughes at redhat.com]

Changeset: 7dadd2951a8b
Author:    andrew
Date:      2010-02-02 10:55 +0000
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/7dadd2951a8b

6921740: Eliminate warnings from sun.io converters and allow compiling with JAVAC_MAX_WARNINGS=true
Summary: Fix sun.io converters unchecked and cast warnings produced by -Xlint:all
Reviewed-by: alanb, sherman

! make/java/sun_nio/Makefile
! src/share/classes/sun/io/ByteToCharUTF8.java
! src/share/classes/sun/io/CharToByteUnicode.java
! src/share/classes/sun/io/CharacterEncoding.java
! src/share/classes/sun/io/Converters.java
! src/share/classes/sun/nio/cs/AbstractCharsetProvider.java