Prefer <cstring> to <string.h>.

Change-Id: I9f862ebfc589379f27cb5e92a80080946988efcb
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9360
Commit-Queue: Stephen White <senorblanco@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/dawn_native/Buffer.cpp

@@ -19,8 +19,8 @@
 #include "dawn_native/DynamicUploader.h"
 #include "dawn_native/ValidationUtils_autogen.h"
 
-#include <string.h>
 #include <cstdio>
+#include <cstring>
 #include <utility>
 
 namespace dawn_native {

src/dawn_native/ProgrammablePassEncoder.cpp

@@ -21,7 +21,7 @@
 #include "dawn_native/Device.h"
 #include "dawn_native/ValidationUtils_autogen.h"
 
-#include <string.h>
+#include <cstring>
 
 namespace dawn_native {
 

src/dawn_native/RenderEncoderBase.cpp

@@ -22,7 +22,7 @@
 #include "dawn_native/RenderPipeline.h"
 
 #include <math.h>
-#include <string.h>
+#include <cstring>
 
 namespace dawn_native {
 

src/dawn_native/RenderPassEncoder.cpp

@@ -22,7 +22,7 @@
 #include "dawn_native/RenderPipeline.h"
 
 #include <math.h>
-#include <string.h>
+#include <cstring>
 
 namespace dawn_native {