Initialize array of vectors on VS2015

src/OpenMesh/Apps/VDProgMesh/Analyzer/vdpmanalyzer.cc

@@ -851,7 +851,12 @@ compute_screen_space_error(VHierarchyNodeHandle node_handle, VHierarchyNodeHandl
   Vec3f                 residual;
   Vec3f                 res;
   Vec3f                 lp;
+#if (_MSC_VER >= 1900  ) 
+  // Workaround for internal compiler error
+  Vec3f                 tri[3]{ {},{},{} };
+#else
   Vec3f                 tri[3];
+#endif
   float                 s, t;
   VHierarchyNodeHandleContainer::iterator  n_it, n_end(leaf_nodes.end());