Patch by Kenneth Riddile: disable MSVC warnings, reenable them outside

of Eigen, and add a MSVC-friendly path in StaticAssert.

Eigen/Geometry

@@ -1,6 +1,10 @@
 #ifndef EIGEN_GEOMETRY_MODULE_H
 #define EIGEN_GEOMETRY_MODULE_H
 
+#include "Core"
+
+#include "src/Core/util/DisableMSVCWarnings.h"
+
 #include "Array"
 #include <limits>
 
@@ -39,4 +43,6 @@ namespace Eigen {
 
 } // namespace Eigen
 
+#include "src/Core/util/EnableMSVCWarnings.h"
+
 #endif // EIGEN_GEOMETRY_MODULE_H