Add missing <numeric> include.

DOF: partial_sum
BC: iota

NumLib/DOF/LocalToGlobalIndexMap.cpp

@@ -10,6 +10,7 @@
 #include "LocalToGlobalIndexMap.h"
 
 #include <algorithm>
+#include <numeric>
 #include <unordered_set>
 
 namespace NumLib

ProcessLib/BoundaryCondition/NormalTractionBoundaryCondition-impl.h

@@ -10,6 +10,8 @@
 
 #pragma once
 
+#include <numeric>
+
 #include "MeshLib/MeshSearch/NodeSearch.h"
 #include "ProcessLib/Utils/CreateLocalAssemblers.h"
 #include "ProcessLib/Utils/ProcessUtils.h"