Add missing include to fml/hex_codec.h (#55034)

jason-simmons · web-flow · commit e45ce99f7c4e · 2024-09-09T23:55:14.000Z
diff --git a/fml/hex_codec.h b/fml/hex_codec.h
@@ -5,6 +5,7 @@
 #ifndef FLUTTER_FML_HEX_CODEC_H_
 #define FLUTTER_FML_HEX_CODEC_H_
 
+#include <string>
 #include <string_view>
 
 namespace fml {
