[C++]: fix incorrect array bounds for copy.
[C++]: fix incorrect array bounds for copy.

jerrinot/Aeron,buybackoff/Aeron,galderz/Aeron,tbrooks8/Aeron,lennartj/Aeron,tbrooks8/Aeron,UIKit0/Aeron,lennartj/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,UIKit0/Aeron,gkamal/Aeron,real-logic/Aeron,lennartj/Aeron,mikeb01/Aeron,RussellWilby/Aeron,tbrooks8/Aeron,RussellWilby/Aeron,EvilMcJerkface/Aeron,RussellWilby/Aeron,buybackoff/Aeron,mikeb01/Aeron,gkamal/Aeron,galderz/Aeron,UIKit0/Aeron,real-logic/Aeron,oleksiyp/Aeron,jerrinot/Aeron,oleksiyp/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,gkamal/Aeron,real-logic/Aeron,galderz/Aeron,buybackoff/Aeron,jerrinot/Aeron,oleksiyp/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,galderz/Aeron