Fix grammar fail in cosmos.lua (string freeze compliant)
This is string freeze compliant because the new string is already contained in stub.lua.
// Common/UTFConvert.h
#ifndef __COMMON_UTFCONVERT_H
#define __COMMON_UTFCONVERT_H
#include "MyString.h"
bool ConvertUTF8ToUnicode(const AString &utfString, UString &resultString);
bool ConvertUnicodeToUTF8(const UString &unicodeString, AString &resultString);
#endif