[Cocoa] Fix compilation problem on MacOsX 10.13
[Cocoa] Fix compilation problem on MacOsX 10.13

root-mirror/root,root-mirror/root,olifre/root,karies/root,olifre/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,karies/root,root-mirror/root,olifre/root,karies/root,karies/root,karies/root,olifre/root,olifre/root,karies/root,karies/root,root-mirror/root