[C++]: Use correct member name for accessing IPv6 bytes.
[C++]: Use correct member name for accessing IPv6 bytes.

galderz/Aeron,oleksiyp/Aeron,oleksiyp/Aeron,real-logic/Aeron,mikeb01/Aeron,oleksiyp/Aeron,gkamal/Aeron,gkamal/Aeron,galderz/Aeron,mikeb01/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,tbrooks8/Aeron,galderz/Aeron,mikeb01/Aeron,real-logic/Aeron,tbrooks8/Aeron,galderz/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,tbrooks8/Aeron,gkamal/Aeron,mikeb01/Aeron,EvilMcJerkface/Aeron,EvilMcJerkface/Aeron