RFR: 8079459: JCK test api/java_nio/ByteBuffer/index.html#GetPutXXX start failing after JDK-8026049

[Andrew Haley]

I mixed up my nextPutIndex and nextGetIndex.  Sorry.

http://cr.openjdk.java.net/~aph/8079459/

This is also the cause of Bug https://bugs.openjdk.java.net/browse/JDK-8079860

Andrew.