Fix build failure with JAVAC_MAX_WARNINGS=true in sun/nio/cs

[Andrew John Hughes]

When building with JAVAC_MAX_WARNINGS=true, the build fails in
sun/nio/cs due to the use of -Werror.

The following webrev:

http://cr.openjdk.java.net/~andrew/warnings/webrev.03/

fixes the remaining warnings exposed by JAVAC_MAX_WARNINGS by:

* Removing redundant casts
* Adding generic types to a number of List, Map and Class instances
* Turning off deprecation warnings locally in make/sun/nio/cs/Makefile

Ok to push? If so, can I have a bug ID for this?

Thanks,
-- 
Andrew :-)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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