Add missing numeric header for std::accumulate.

PiperOrigin-RevId: 240593135

mlir/lib/ExecutionEngine/MemRefUtils.cpp

@@ -26,6 +26,7 @@
 #include "mlir/Support/LLVM.h"
 
 #include "llvm/Support/Error.h"
+#include <numeric>
 
 using namespace mlir;
 

mlir/tools/mlir-cpu-runner/mlir-cpu-runner.cpp

@@ -39,6 +39,7 @@
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Support/ToolOutputFile.h"
+#include <numeric>
 
 using namespace mlir;
 using llvm::Error;