Prefix all size_t with std::

done automatically by executing regex replace `([^:0-9a-zA-Z_])size_t([^0-9a-zA-Z_])` -> `$1std::size_t$2`

src/core/file_sys/archive_extsavedata.h

@@ -44,7 +44,7 @@ public:
      * @param icon_data Binary data of the icon
      * @param icon_size Size of the icon data
      */
-    void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
+    void WriteIcon(const Path& path, const u8* icon_data, std::size_t icon_size);
 
 private:
     bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData