掌機 - Miyoo A30 - 解決Error: string_view is not a member of std問題

參考資訊：
https://stackoverflow.com/questions/43889414/how-to-include-c-17-headers-with-g-6-2-0-with-std-c17-optional-any-str

問題如下：

ppsspp/Common/Data/Encoding/Utf8.h:36:23: error: ‘string_view’ is not a member of ‘std’
 bool AnyEmojiInString(std::string_view str, size_t byteCount);

解法如下：

std::experimental::string_view