Suppress cmake warning
Suppress cmake warning

The project cmake command now requires a version. Add a version and tell cmake
we are using the new version of the associated policy to suppress the warning.

Change-Id: I0197681993cc8f6e47d8eef03a433b4c013c9e30
Reviewed-on: https://wnproject.org/gerrit/328
Try: devpow112 <bef84a74f4a3947934cc58306a6aae518eaf1936@gmail.com>
Reviewed-by: AWoloszyn <2926f0436f8103ab8257713335cf26447d8bf68a@google.com>
Tested-by: WNBot <efa0942020584fb66fb8bea377b59e48fa0f85ef@gmail.com>

WNProject/WNFramework,WNProject/WNFramework,WNProject/WNFramework,WNProject/WNFramework