MSVC: Slience external/meaningless warnings

modules/rgbd/src/odometry.cpp

@@ -36,10 +36,19 @@
 #include "precomp.hpp"
 
 #if defined(HAVE_EIGEN) && EIGEN_WORLD_VERSION == 3
-#define HAVE_EIGEN3_HERE
-#include <Eigen/Core>
-#include <unsupported/Eigen/MatrixFunctions>
-#include <Eigen/Dense>
+#  define HAVE_EIGEN3_HERE
+#  if defined(_MSC_VER)
+#    pragma warning(push)
+#    pragma warning(disable:4701)  // potentially uninitialized local variable
+#    pragma warning(disable:4702)  // unreachable code
+#    pragma warning(disable:4714)  // const marked as __forceinline not inlined
+#  endif
+#  include <Eigen/Core>
+#  include <unsupported/Eigen/MatrixFunctions>
+#  include <Eigen/Dense>
+#  if defined(_MSC_VER)
+#    pragma warning(pop)
+#  endif
 #endif
 
 namespace cv