[C++]: added include for string to make Mac happy with build.
[C++]: added include for string to make Mac happy with build.

johnpr01/Aeron,EvilMcJerkface/Aeron,rlankenau/Aeron,real-logic/Aeron,strangelydim/Aeron,real-logic/Aeron,galderz/Aeron,jessefugitt/Aeron,mikeb01/Aeron,johnpr01/Aeron,RussellWilby/Aeron,qed-/Aeron,ycaihua/Aeron,tbrooks8/Aeron,jerrinot/Aeron,gkamal/Aeron,gkamal/Aeron,lennartj/Aeron,EvilMcJerkface/Aeron,rlankenau/Aeron,EvilMcJerkface/Aeron,ycaihua/Aeron,galderz/Aeron,qed-/Aeron,oleksiyp/Aeron,RussellWilby/Aeron,oleksiyp/Aeron,real-logic/Aeron,mikeb01/Aeron,RussellWilby/Aeron,galderz/Aeron,johnpr01/Aeron,strangelydim/Aeron,ycaihua/Aeron,strangelydim/Aeron,jerrinot/Aeron,qed-/Aeron,UIKit0/Aeron,tbrooks8/Aeron,buybackoff/Aeron,EvilMcJerkface/Aeron,jerrinot/Aeron,buybackoff/Aeron,galderz/Aeron,buybackoff/Aeron,UIKit0/Aeron,lennartj/Aeron,jessefugitt/Aeron,qed-/Aeron,rlankenau/Aeron,real-logic/Aeron,tbrooks8/Aeron,lennartj/Aeron,gkamal/Aeron,mikeb01/Aeron,oleksiyp/Aeron,mikeb01/Aeron,jessefugitt/Aeron,UIKit0/Aeron