consistently use limit() - position() for length calculations

I htink position() has always been zero but using limit() as size in
one place and limit() - position() in other is very confusing.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1649321 13f79535-47bb-0310-9956-ffa450edef68
1 file changed