Update Windows AutoStart implementation to allow non-ASCII paths

StringUtils.cpp

@@ -90,6 +90,13 @@ std::string StringUtils::wstring_to_string(const std::wstring wstring)
     return(converter.to_bytes(wstring));
 }
 
+std::wstring StringUtils::string_to_wstring(const std::string input)
+{
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
+
+    return(converter.from_bytes(input));
+}
+
 std::string StringUtils::u16string_to_string(const std::u16string wstring)
 {
     std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> converter;