Fix Visual Studio warning.
Fix Visual Studio warning.


Sciumo/GeographicLib,geographiclib/geographiclib,geographiclib/geographiclib,geographiclib/geographiclib,Sciumo/GeographicLib,Sciumo/GeographicLib,Sciumo/GeographicLib,Sciumo/GeographicLib,Sciumo/GeographicLib,Sciumo/GeographicLib,geographiclib/geographiclib,Sciumo/GeographicLib