StringViewUtils.cpp: Add include for std::strlen.

Bug: 42241188
Change-Id: I8950589cb51987d385d179b05655caeabf9462a6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/210755
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Loko Kung <lokokung@google.com>
diff --git a/src/dawn/common/StringViewUtils.cpp b/src/dawn/common/StringViewUtils.cpp
index 1c0b650..3109c5e 100644
--- a/src/dawn/common/StringViewUtils.cpp
+++ b/src/dawn/common/StringViewUtils.cpp
@@ -27,6 +27,8 @@
 
 #include "dawn/common/StringViewUtils.h"
 
+#include <cstring>
+
 bool operator==(WGPUStringView a, WGPUStringView b) {
     return wgpu::StringView(a) == wgpu::StringView(b);
 }